Freescale Semiconductor Miscellaneous Self Covered Document Number:TWRMCLV3PHUG Rev. 1, 07/2012 TWR-MC-LV3PH User’s Guide Contents 1 Overview 1 Overview....................................................................1 The 3-phase Low Voltage Motor Control board (TWR-MCLV3PH) is a peripheral Tower System Module. With one of the available MCU tower modules accommodating a selected microcontroller it provides a ready-made, softwaredevelopment platform for one-third horsepower off-line motors. Feedback signals are provided that allow a variety of algorithms to control 3-phase PMSM and BLDC motors. 2 Reference Documents................................................3 3 Hardware Features.....................................................3 4 Signal Description.....................................................8 5 Configuration Settings............................................15 6 Mechanical Form Factor..........................................16 7 Revision History.....................................................17 The TWR-MC-LV3PH module features: • Power supply voltage input 12-24 VDC, extended up to 50 V (see Electrical Characteristics for details) • Output current up to 8 amperes (A) • Power supply reverse polarity protection circuitry • 3-phase bridge inverter (6-MOSFET’s) • 3-phase MOSFET gate driver with over current and under voltage protection • 3-phase and DC bus-current-sensing shunts • DC bus-voltage sensing • 3-phase back-EMF voltage sensing circuitry • Low-voltage on-board power supplies • Encoder/Hall sensor sensing circuitry • Motor power and signal connectors • User LED, power-on LED, and 6 PWM LED diodes A block diagram for the TWR-MC-LV3PH is shown in Figure 1. © 2011–2012 Freescale Semiconductor, Inc. Overview Figure 1. TWR-MC-LV3PH Block Diagram TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 2 Freescale Semiconductor, Inc. Reference Documents Figure 2. TWR-MC-LV3PH image 2 Reference Documents The documents listed below may be referenced for more information on the Freescale Tower system and the TWR-MCLV3PH. Refer to http://www.freescale.com/tower for the latest revision of all released Tower documentation. • TWR-MC-LV3PH Schematics • TWR-MC-LV3PH Quick Start Guide • Freescale MC33937A Three Phase Field Effect Transistor Pre-driver 3 Hardware Features This section provides more details about the features and functionality of the TWR-MC-LV3PH. TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 3 Hardware Features 3.1 Power Supply Freescale’s 3-phase Low Voltage Motor Control Tower Module is a 3-phase power stage that will operate off DC input voltages of 12 to 24 V, 8 A. The module contains reverse polarity protection circuitry. TWR-MC-LV3PH is intended to be powered from an external power supply of 12 to 24 V, 4 to 8 A depending on the motor used. The module includes 5.0 V and 3.3 V supplies which are capable of providing power to the entire Tower System. 3.1.1 +5V Power Supply The +5V level is generated by means of the LM2594HVM switching step-down regulator, which generates this level from bus voltage. This converter can supply up to 500 mA. This voltage level serves the MC33269D linear regulator, encoder, and optionally the entire tower system. If the LM2594HVM converter operates properly, the D7 green LED is lit. 3.1.2 +3.3V Power Supply An important voltage level for this board is +3.3V. This voltage level is obtained from the MC33269D linear voltage regulator and can supply up to 800 mA. 3.1.3 +1.65V Voltage Reference Current sensing operational amplifiers use 1.65V level connected to non-inverted inputs. This level is obtained from a precision voltage reference LM4041 (D6). 3.1.4 Analog Power Supply and Grounding Separated analog voltage 3.3V and ground are used for analog quantities sensing (currents and voltages). This voltage level can be chosen from two sources: one separated from 3.3V digital power supply using an LC filter or a second from the primary elevator port. Source selection is done via jumpers J2 and J3. 3.2 Electrical Characteristics The electrical characteristics in Table 1 apply to operations at 25°C with a 24 VDC power-supply voltage. Input voltage maximal value can be higher than 24 V. A 50 V maximal input voltage value is allowed, but the divider resistors in the DC bus and BEMF sensing circuits need to be modified to increase sensing range up to 50 V. This prevents scaled quantities exceeding the maximally allowed input voltage value on the controller input pins. CAUTION If an input voltage higher than 24 V is applied, the plugged TWR modules might be damaged. Table 1. Electrical characteristics Characteristic Symbol Min Typ Max Units DC Input Voltage Vdc 12 — 24 V Quiescent Current ICC — TBD — mA Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 4 Freescale Semiconductor, Inc. Hardware Features Table 1. Electrical characteristics (continued) Characteristic Symbol Min Typ Max Units Logic 1 Input Voltage VIH 1.5 — 1.7 V Logic 0 Input Voltage VIL 0.9 — 1 V Input Resistance RIn — 10 — k Analogue Output Range VOut 0 — 3.3 V Bus Current Sense Voltage ISense — 412 — mV/A Bus Current Sense Offset Ioffset Bus Voltage Sense Voltage* VBus Bus Voltage Sense Offset Voffset +1.65 V — 91 — Bus Continuous Output Current ** IC — — 8 A Total Power Dissipation (per MOSFET) *** PD — — TBD W Dead-time (set by SW MC33937) **** toff 0 — 15 us 0 mV/V V 3.3 Three Phase Field Effect Transistor Pre-driver The TWR-MC-LV3PH module uses the Freescale MC33937A Three Phase Field Effect Transistor Pre-driver. The 33937 is a Field Effect Transistor (FET) pre-driver designed for three phase motor control and similar applications. The integrated circuit (IC) uses SMARTMOS™ technology and contains three High Side FET pre-drivers and three Low Side FET predrivers. Three external bootstrap capacitors provide gate charge to the High Side FETs. The IC interfaces to a MCU via six direct input control signals, an SPI port for device setup and asynchronous reset, enable and interrupt signals. Features: • • • • • • • • Fully specified from 8.0 V to 40 V covers 12 V and 24 V automotive systems Extended operating range from 6.0 V to 58 V covers 12 V and 42 V systems Greater than 1.0 A gate drive capability with protection Protection against reverse charge injection from CGD and CGS of external FETs Includes a charge pump to support full FET drive at low battery voltages Dead time is programmable via the SPI port Simultaneous output capability enabled via safe SPI command Supports very high current loads 3.4 SPI Communication Freescale MC33937A driver uses SPI communication for operating parameter, mode, and interrupt settings. Driver command and registers are described in a driver manual. The selection between two Chip Select signals is available on the board via two 0-ohm resistors R95 and R96 (see Zero-Ohm Resistors). 3.5 3-Phase Bridge The output stage is configured as a 3-phase bridge with MOSFET-output transistors. It is simplified considerably by an integrated-gate driver that has an over-current, under voltage and other safety features. TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 5 Hardware Features At the input, pull-down resistor R26 sets logic low in the absence of a signal for the low side transistor. Open input pull-down is important because the power transistors must stay off in the case of a broken connection or an absence of power on the expansion board. Gate driver inputs are 3.3 V compatible. The MC33937A supplies the gate drive and also provides under voltage hold-off and over-current. The under voltage hold-off threshold value is 8 V. MC33937A has an implemented deadtime insertion which can be configured using SPI. The default dead-time value is typically 15 µs. One important design decision in a motor drive is the selection of gate-drive impedance for the output transistors. Resistor R14, R15, diode D8, and the MC33937A nominal 100 mA current-sinking capability determine gate-drive impedance for the lower half-bridge transistor. A similar network is used on the upper half-bridge. These networks set the turn-on gate drive impedance at approximately 100 Ω and the turn-off gate drive to approximately 100 mA. These values produce transition times of approximately 285 ns. Transition times of this length represent a carefully-weighed compromise between power dissipation and noise generation. Transition times longer than 250 ns tend to use too much power at non-audible PWM rates, and transition times under 50 ns create di/dts so large that optimal operation is difficult to achieve. The 3-phase Low Voltage Motor Control Tower Module is designed with switching times at the higher end of this range to minimize noise. Anti-parallel diode softness is also a primary design consideration. If the anti-parallel diodes in an off-line motor drive are allowed to snap, the resulting di/dts can cause difficult noise management problems. In general, the peak to zero di/dt must be approximately equal to the di/dt applied to turning off the anti-parallel diodes. The IRFR540Z MOSFETs used in this design are targeted at this kind of reverse recovery. 3.6 Bus Voltage and Current Feedback Bus voltage is scaled down by a voltage divider consisting of R74, R77, and R79. The values are chosen so that a 36.3 V bus voltage corresponds to 3.3 V at output V_SENSE_DCB. V_SENSE_DCB is scaled at 91mV per volt of the DC bus voltage and is terminated on the main elevator port. An additional output, V_SENSE_DCB_HALF, provides a reference used in zero-crossing detection. V_SENSE_DCB_HALF is scaled at 45.5 mV per volt of the DC bus voltage and is also terminated on the main port. Bus current is sampled by resistor R10 and amplified in either the MC33937A’s operational amplifier or external operational amplifier U6B. This circuit provides a voltage output suitable for sampling on AD (analog-to-digital) inputs. Both operational amplifiers are connected as differential amplifiers for bus-current sensing with the equal gain given by: The output voltage is shifted up by +1.65V_REF to accommodate positive and negative current swings. A ±400 mV voltage drop across the sense resistor corresponds to a measured current range of ±8 A. AMP_OUT signal is internally connected to the over-current comparator of the MC33937A and provides an over-current triggering function. The shunt resistor is represented by a 0.05-ohm resistance WELWYN SMD precision resistor, the same as the phase current measurement resistors. 3.7 Safety Functions The MC33937A provides over-current and under-voltage functions. Bus current feedback is filtered to remove spikes, and this signal is fed into the MC33937A current comparator input ITRIP. Therefore, when the bus current exceeds the reference value (as set by trimmer R37), all six output transistors are switched off. After a fault state has been detected, all six gate drivers are off until the fault state is cleared by the CLINT0 command or by switching the board off. You can then switch the power stage on. TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 6 Freescale Semiconductor, Inc. Hardware Features The under voltage function is implemented internally. The supply voltage is also sensed internally. If this voltage is lower than 8V, the hold off circuit is evaluated and an interrupt is generated if set. The MC33927 safety functions keep the driver operating properly and within safe limits. Current limiting by itself, however, does not necessarily ensure that a board is operating within safe thermal limits. The MC33927 has a thermal warning feature. If the temperature rises above 170°C on one of the three detectors, then an interrupt is generated if set. The MC33927 driver has also other safety features such as desaturation detection, phase error, framing error, write error after the lock, and exiting RST. All these features can be configured through SPI to trigger interrupts. Detailed information is available in the driver datasheet. 3.8 Back EMF Signals Back EMF signals are included to support sensorless algorithms for brushless DC motors and dead time distortion correction for sinusoidal motors. The raw phase voltage is scaled down by a voltage divider consisting of R47 and R48 (phase A). Output from this divider produces back EMF sense voltage BEMF_SENSE_A. Resistor values are chosen such that a 36.3 V of phase voltage corresponds to a 3.3 V AD input. BEMF_SENSE_A is terminated to the elevator main port. 3.9 Phase Current Sensing Sampling resistors provide phase current information for all three phases. Because these resistors sample current in the lower phase legs, they do not directly measure phase current. However, given phase voltages for all three phases, phase current can be constructed mathematically from the lower phase leg values. This information can be used in vector-control algorithms for AC induction motors. Referencing the sampling resistors to the negative motor rail makes the measurement circuitry straightforward and inexpensive. Current is sampled by resistor R7 (phase A) and amplified by the differential amplifier U5A. This circuit provides a voltage output suitable for sampling on AD inputs. An AD8656 is used as a differential amplifier. When R38 = R41 and R39 = R42 and R40 = R46, the gain is given by: The input voltage is shifted up by +1.65V_REF to accommodate both positive and negative current swings. A ±400-mV voltage drop across the shunt resistor corresponds to a measured current range of ±8 A. As a source for +1.65V_REF, a Precision Shunt Voltage Reference LM4041 is used. 3.10 LED Indication This module also contains eight LED indicators. Table 2. LED indicators LED Description Activated On D5 User LED diode for user-defined purposes high level D7 Indicates that the +5V level is properly generated D14 PWM_AT indication LED low level D16 PWM_AB indication LED high level D18 PWM_BT indication LED low level D15 PWM_BB indication LED high level D17 PWM_CT indication LED low level D19 PWM_CB indication LED high level TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 7 Signal Description 3.11 Encoder/Hall-Effect Interface The TWR-MC-LV3PH contains an Encoder/Hall-Effect interface. The circuit is designed to accept +3.3 V to +5.0 V encoder or Hall-Effect sensor inputs. Input noise filtering is supplied on the input path for the Encoder/Hall-Effect interface. Filtered signals are then connected to the elevator main port. 3.12 Brake An external brake resistor can be connected to dissipate regenerative motor energy during periods of active deceleration or rapid reversal. Under these conditions, motor back EMF adds to the DC bus voltage. Without a means to dissipate excess energy, an overvoltage condition could easily occur. An external dissipative resistor connected to J4 can serve to dissipate energy across the DC bus. MOSEFET Q8 is turned on by software when the bus voltage sensing circuit exceeds the level set in that software. Power dissipation capability depends on the capability of the externally connected dissipative resistor. The MIC4127YME is a 5.0 V-tolerant, dual MOSFET pre-driver. This board uses its A channel to drive the brakingresistance MOSFET. 4 Signal Description This section provides more details about signals of input/output connectors and jumpers of the TWR- TWR-MC-LV3PH. 4.1 Power Supply Input Connector J1 The power supply input connector, labeled J1, accepts DC voltages from 12 V to 50 V/8 A maximum. The J1 connector is a 2.1 mm power jack for plug-in type DC power supply connections. The board has reverse polarity protection. Power applied to the board is indicated by a green +5 V LED. 4.2 External Brake Resistor Interface J4 A brake resistor can be connected to brake-resistor connector J4, allowing for power dissipation. This can be controlled through the Brake control signal. 4.3 Motor Connector J5 Power outputs to the motor are located on connector J1. Phase outputs are labeled A, B, and C. Table 3 contains pin assignments. On a permanent magnet synchronous motor, any one of the three phase windings can be connected here. For brushless DC motors, you must connect the wire color-coded for phase A into the connector terminal labeled A, and so on for phase B and phase C. TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 8 Freescale Semiconductor, Inc. Signal Description Table 3. Motor Connector J5 signal description Pin # Signal Name Description 1 A Supplies power to motor phase A 2 B Supplies power to motor phase B 3 C Supplies power to motor phase C 4.4 Encoder/Hall-Effect Interface J8 The Encoder/Hall-Effect interface J8 is located on the right edge of the board. The circuit is designed to accept +3.3 V to +5 V encoder or Hall-Effect sensor inputs. Input noise filtering is supplied on the input path to the Encoder/Hall-Effect interface. Table 4 shows the Encoder/Hall-Effect interface pin description. Table 4. Encoder/Hall-Effect interface J8 signal description Pin # Signal Name Description 1 +5.0V Supplies power from the board to either ENCODER or Hall sensors 2 GND ENCODER or Hall sensors ground 3 Phase A ENCODER or Hall Phase A input 4 Phase B ENCODER or Hall Phase B input 5 Phase C ENCODER or Hall Phase C input 4.5 Elevator Connections The TWR-MC-LV3PH features two expansion card-edge connectors that interface to Elevator boards in a Tower System: the Primary and Secondary Elevator connectors. Table 5 provides the pinout for the Primary and Secondary Elevator Connector. An “X” in the “Used” column indicates that there is a connection from the TWR-MC-LV3PH to that pin on the Elevator connector. An “X” in the “Jmp” column indicates that a jumper is available that can configure or isolate the connection from the Elevator connector. Table 5. TWR-MC-LV3PH Primary Elevator connector pinout TWR-MC-LV3PH Primary Connector Pin Name Usage Use d Jmp Pin Name Usage Use d B1 5V 5.0 V Power X A1 5V 5.0 V Power X B2 GND Ground X A2 GND Ground X B3 3.3V 3.3 V Power X A3 3.3V 3.3 V Power X B4 ELE_PS_SENSE Elevator Power Sense X A4 3.3V 3.3 V Power X B5 GND Ground X A5 GND Ground X B6 GND Ground X A6 GND Ground X Jmp Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 9 Signal Description Table 5. TWR-MC-LV3PH Primary Elevator connector pinout (continued) TWR-MC-LV3PH Primary Connector Pin Name B7 Usage Use d Pin Name SDHC_CLK / SPI1_CLK A7 SCL0 B8 SDHC_D3 / SPI1_CS1_b A8 SDA0 B9 SDHC_D3 / SPI1_CS0_b A9 GPIO9 / CTS1 B10 SDHC_CMD / SPI1_MOSI A10 GPIO8 / SDHC_D2 B11 SDHC_D0 / SPI1_MISO A11 GPIO7 / SD_WP_DET B12 ETH_COL A12 ETH_CRS B13 ETH_RXER A13 ETH_MDC B14 ETH_TXCLK A14 ETH_MDIO B15 ETH_TXEN A15 ETH_RXCLK B16 ETH_TXER A16 ETH_RXDV B17 ETH_TXD3 A17 ETH_RXD3 B18 ETH_TXD2 A18 ETH_RXD2 B19 ETH_TXD1 A19 ETH_RXD1 B20 ETH_TXD0 A20 ETH_RXD0 B21 GPIO1 / RTS1 X A21 SSI_MCLK X A22 SSI_BCLK USER_LED B22 GPIO2 / SDHC_D1 BRAKE_CONTROL Jmp B23 GPIO3 A23 SSI_FS B24 CLKIN0 A24 SSI_RXD B25 CLKOUT1 A25 SSI_TXD B26 GND A26 GND B27 AN7 A27 AN3 B28 AN6 B29 Ground X I_SENCE_C / I_SENSE_DCB Usage Use d Ground X Jmp X X A28 AN2 I_SENSE_C / BEMF_SENSE_C X X AN5 X X A29 AN1 I_SENSE_B / BEMF_SENSE_B X X B30 AN4 X A30 AN0 I_SENSE_A / BEMF_SENSE_A X X B31 GND X A31 GND Ground X B32 DAC1 A32 DAC0 B33 TMR3 A33 TMR1 ENC_PHASE_B X B34 TMR2 A34 TMR0 ENC_PHASE_A X B35 GPIO4 A35 GPIO6 X B36 3.3V A36 3.3V 3.3 V Power X B37 PWM7 X A37 PWM3 PWM_BB X B38 PWM6 A38 PWM2 PWM_BT X Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 10 Freescale Semiconductor, Inc. Signal Description Table 5. TWR-MC-LV3PH Primary Elevator connector pinout (continued) TWR-MC-LV3PH Primary Connector Pin Name B39 PWM5 B40 PWM4 B41 B42 Usage Use d Jmp Pin Name Usage Use d X A39 PWM1 PWM_AB X X A40 PWM0 PWM_AT X CANRX0 A41 RXD0 CANTX0 A42 TXD0 Jmp B43 1WIRE A43 RXD1 B44 SPI0_MISO (IO1) X A44 TXD1 B45 SPI0_MOSI (IO0) X A45 VSS GNDA_ELV X X B46 SPI0_CS0_b X A46 VDDA VDDA_ELV X X B47 SPI0_CS1_b X A47 VREFA1 B48 SPI0_CLK X A48 VREFA2 B49 GND X A49 GND Ground X B50 SCL1 A50 GPIO14 A51 GPIO15 RESET X Ground X B51 SDA1 B52 GPIO5 / SPI0_HOLD (IO3) B53 USB0_DP_PDOW N A53 GPIO17 B54 USB0_DM_PDOW N A54 USB0_DM B55 IRQ_H A55 USB0_DP B56 IRQ_G A56 USB0_ID B57 IRQ_F A57 USB0_VBUS B58 IRQ_E A58 TMR7 B59 IRQ_D A59 TMR6 B60 IRQ_C A60 TMR5 B61 IRQ_B X X A61 TMR4 B62 IRQ_A X X A62 RSTIN_b B63 EBI_ALE / EBI_CS1_b A63 RSTOUT_b B64 EBI_CS0_b A64 CLKOUT0 B65 GND A65 GND B66 EBI_AD15 A66 EBI_AD14 B67 EBI_AD16 A67 EBI_AD13 B68 EBI_AD17 A68 EBI_AD12 B69 EBI_AD18 A69 EBI_AD11 B70 EBI_AD19 A70 EBI_AD10 B71 EBI_R/W_b A71 EBI_AD9 B72 EBI_OE_b A72 EBI_AD8 B73 EBI_D7 A73 EBI_AD7 X X A52 GPIO16 / SPI0_WP (IO2) Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 11 Signal Description Table 5. TWR-MC-LV3PH Primary Elevator connector pinout (continued) TWR-MC-LV3PH Primary Connector Pin Name B74 Usage Use d Jmp Pin Name Usage Use d EBI_D6 A74 EBI_AD6 B75 EBI_D5 A75 EBI_AD5 B76 EBI_D4 A76 EBI_AD4 B77 EBI_D3 A77 EBI_AD3 B78 EBI_D2 A78 EBI_AD2 B79 EBI_D1 A79 EBI_AD1 B80 EBI_D0 A80 EBI_AD0 B81 GND Ground X A81 GND Ground X B82 3.3V 3.3V Power X A82 3.3V 3.3V Power X Jmp Table 6. TWR-MC-LV3PH Secondary Elevator connector pinout TWR-SER2 Secondary Connector Pin Name D1 5V D2 GND D3 Usage Pin Name C1 5V C2 GND 3.3V C3 3.3V D4 ELE_PS_SENSE C4 3.3V D5 GND Ground X C5 D6 GND Ground X D7 Ground Use d X Jmp Usage Use d Ground X GND Ground X C6 GND Ground X SPI2_CLK C7 SCL2 D8 SPI2_CS1_b C8 SDA2 D9 SPI2_CS0_b C9 GPIO25 D10 SPI2_MOSI C10 ULPI_STOP D11 SPI2_MISO C11 ULPI_CLK D12 ETH_COL C12 GPIO26 D13 ETH_RXER C13 ETH_MDC D14 ETH_TXCLK C14 ETH_MDIO D15 ETH_TXEN C15 ETH_RXCLK D16 GPIO18 C16 ETH_RXDV D17 GPIO19 / SDHC_D4 C17 GPIO27 / SDHC_D6 D18 GPIO20 / SDHC_D5 C18 GPIO28 / SDHC_D7 D19 ETH_TXD1 C19 ETH_RXD1 D20 ETH_TXD0 C20 ETH_RXD0 Jmp Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 12 Freescale Semiconductor, Inc. Signal Description Table 6. TWR-MC-LV3PH Secondary Elevator connector pinout (continued) TWR-SER2 Secondary Connector Pin Name D21 Usage Pin Name ULPI_NEXT / USB1_DM C21 ULPI_DATA0 / USB3_DM D22 ULPI_DIR / USB1_DP C22 ULPI_DATA1 / USB3_DP D23 UPLI_DATA5 / USB2_DM C23 ULPI_DATA2 / USB4_DM D24 ULPI_DATA6 / USB2_DP C24 ULPI_DATA3 / USB4_DP D25 ULPI_DATA7 C25 ULPI_DATA4 D26 GND C26 GND D27 LCD_HSYNC / LCD_P24 C27 AN11 D28 LCD_VSYNC / LCD_P25 C28 AN10 D29 AN13 C29 AN9 D30 AN12 C30 AN8 D31 GND C31 GND D32 LCD_CLK / LCD_P26 C32 GPIO29 D33 TMR11 C33 TMR9 D34 TMR10 C34 TMR8 D35 GPIO21 C35 GPIO30 D36 3.3V C36 3.3V D37 PWM15 C37 PWM11 D38 PWM14 C38 PWM10 D39 PWM13 C39 PWM9 D40 PWM12 C40 PWM8 D41 CANRX1 C41 RXD2 / TSI0 D42 CANTX1 C42 TXD2 / TSI1 D43 GPIO22 C43 RTS2 / TSI2 D44 LCD_OE / LCD_P27 C44 CTS2 / TSI3 D45 LCD_D0 / LCD_P0 C45 RXD3 / TSI4 D46 LCD_D1 / LCD_P1 C46 TXD3 / TSI5 D47 LCD_D2 / LCD_P2 C47 RTS3 / TSI6 D48 LCD_D3 / LCD_P3 C48 CTS3 / TSI7 Ground Ground Ground Use d X X X Jmp D49 GND C49 GND D50 GPIO23 C50 LCD_D4 / LCD_P4 D51 GPIO24 C51 LCD_D5 / LCD_P5 Usage Use d Ground X Ground X Ground X Jmp Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 13 Signal Description Table 6. TWR-MC-LV3PH Secondary Elevator connector pinout (continued) TWR-SER2 Secondary Connector Pin Name D52 Usage Pin Name LCD_D12 / LCD_P12 C52 LCD_D6 / LCD_P6 D53 LCD_D13 / LCD_P13 C53 LCD_D7 / LCD_P7 D54 LCD_D14 / LCD_P14 C54 LCD_D8 / LCD_P8 D55 IRQ_P / SPI2_CS2_b C55 LCD_D9 / LCD_P9 D56 IRQ_O / SPI2_CS3_b C56 LCD_D10 / LCD_P10 D57 IRQ_N C57 LCD_D11 / LCD_P11 D58 IIRQ_M C58 TMR16 D59 IRQ_L C59 TMR15 D60 IRQ_K C60 TMR14 D61 IRQ_J C61 TMR13 D62 IRQ_I C62 LCD_D15 / LCD_P15 D63 LCD_D18 / LCD_P18 C63 LCD_D16 / LCD_P16 D64 LCD_D19 / LCD_P19 C64 LCD_D17 / LCD_P17 D65 GND C65 GND D66 EBI_AD20 / LCD_P42 C66 EBI_BE_32_24_b / LCD_P28 D67 EBI_AD20 / LCD_P42 C67 EBI_BE_23_16_b / LCD_P29 D68 EBI_AD22 / LCD_P44 C68 EBI_BE_15_8_b / LCD_P30 D69 EBI_AD23 / LCD_P45 C69 EBI_BE_7_0_b / LCD_P31 D70 EBI_AD24 / LCD_P46 C70 EBI_TSIZE0 / LCD_P32 D71 EBI_AD25 / LCD_P47 C71 EBI_TSIZE1 / LCD_P33 D72 EBI_AD26 / LCD_P48 C72 EBI_TS_b / LCD_P34 D73 EBI_AD27 / LCD_P49 C73 EBI_TBST_b / LCD_P35 D74 EBI_AD28 / LCD_P50 C74 EBI_TA_b / LCD_P36 D75 EBI_AD29 / LCD_P51 C75 EBI_CS4_b / LCD_P37 Ground Use d X Jmp Usage Ground Use d Jmp X Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 14 Freescale Semiconductor, Inc. Configuration Settings Table 6. TWR-MC-LV3PH Secondary Elevator connector pinout (continued) TWR-SER2 Secondary Connector Pin Name D76 Usage Use d Pin Name EBI_AD30 / LCD_P52 C76 EBI_CS3_b / LCD_P38 D77 EBI_AD31 / LCD_P53 C77 EBI_CS2_b / LCD_P39 D78 LCD_D20 / LCD_P20 C78 EBI_CS1_b / LCD_P40 D79 LCD_D21 / LCD_P21 C79 GPIO31 / LCD_P41 D80 LCD_D22 / LCD_P22 C80 LCD_D23 / LCD_P23 D81 ETH_COL C81 GPIO26 D82 ETH_RXER C82 ETH_MDC Ground X Jmp Usage Use d Ground Jmp X 5 Configuration Settings There are several jumpers provided for isolation, configuration, and feature selection. Refer to Table 7 and Table 8 for details. The default installed jumper settings are shown in bold. 5.1 Zero-Ohm Resistors Table 7. TWR-MC-LV3PH jumper settings Resistor Options R61 R86 R88 R89 MC33937A VPWR U6B output MC33937A AMP_OUT MC33937A INT output R89 MC33937A over current output R95 SPI0_CS0 Setting Description Placed Enables DCB_POS voltage to MC33937A Unplaced Disables DCB_POS voltage to MC33937A Placed Enables I_SENSE_DCB signal as output of U6B Unplaced Disables I_SENSE_DCB signal as output of U6B Placed Enables I_SENSE_DCB signal as output of MC33937A Unplaced Disables I_SENSE_DCB signal as output of MC33937A Placed Enables DRV_INT connection to elevator Unplaced Disables DRV_INT connection to elevator Placed Enables DRV_OC connection to elevator Unplaced Disables DRV_OC connection to elevator Placed Enables Chip Select 0 connection to elevator Unplaced Disables Chip Select 0 connection to elevator Table continues on the next page... TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 15 Mechanical Form Factor Table 7. TWR-MC-LV3PH jumper settings (continued) Resistor Options R96 SPI0_CS1 Setting Description Placed Enables Chip Select 1 connection to elevator Unplaced Disables Chip Select 1 connection to elevator 5.2 Jumper Settings Table 8. TWR-MC-LV3PH jumper settings Jumper Options Setting J2 VDDA Source Select J3 VSSA Source Select J10 J11 AN2 Signal Select AN1 Signal Select J12 AN0 Signal Select J13 AN6 Signal Select J14 AN5 Signal Select Description 1-2 Internal on-board source of analog 3.3 V 2-3 Elevator source of analog 3.3 V 1-2 Internal on-board source of analog GND 2-3 Elevator source of analog GND 1-2 Phase C current signal 2-3 Back EMF phase C 1-2 Phase B current signal 2-3 Back EMF phase B 1-2 Phase A current signal 2-3 Back EMF phase A 1-2 Phase C current signal 2-3 DC Bus Current 1-2 Phase A current signal 2-3 DC Bus Voltage Half 6 Mechanical Form Factor The TWR-MC-LV3PH is designed for the Freescale Tower System as a side-mounting peripheral and complies with the electrical and mechanical specification as described in Freescale Tower Electromechanical Specification. TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 16 Freescale Semiconductor, Inc. Revision History 7 Revision History Table 9. Revision history Revision number Release date Description 0 06/2011 Initial release 1 07/2012 Table "TWR-MC-LV3PH jumper settings" updated TWR-MC-LV3PH User’s Guide, Rev. 1, 07/2012 Freescale Semiconductor, Inc. 17 How to Reach Us: Home Page: www.freescale.com Web Support: http://www.freescale.com/support USA/Europe or Locations Not Listed: Freescale Semiconductor Technical Information Center, EL516 2100 East Elliot Road Tempe, Arizona 85284 +1-800-521-6274 or +1-480-768-2130 www.freescale.com/support Europe, Middle East, and Africa: Freescale Halbleiter Deutschland GmbH Technical Information Center Schatzbogen 7 81829 Muenchen, Germany +44 1296 380 456 (English) +46 8 52200080 (English) +49 89 92103 559 (German) +33 1 69 35 48 48 (French) www.freescale.com/support Japan: Freescale Semiconductor Japan Ltd. Headquarters ARCO Tower 15F 1-8-1, Shimo-Meguro, Meguro-ku, Tokyo 153-0064 Japan 0120 191014 or +81 3 5437 9125 [email protected] Asia/Pacific: Freescale Semiconductor China Ltd. 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