Evaluation Kit CY3242-IOX I2C Port Expander Guide Associated Project: Yes Associated Part Family: CY8C9520A Software Version: PSoC Designer™ v. 4.2 Associated Application Notes and Kits: AN2352, CY3240-I2USB Table 1. Board Specifications Feature Description Number of Port Expander Devices 3 Device Part Number CY8C9520A, CY8C9540A, CY8C9560A Communication Interface IC Power Sources DC Adapter 9-15V 0.3A, External 3.3V/5V 0.5A Power Supply, USB-I2C Bridge 3.3V/5V Maximum Power Consumption 5V 400 mA, 3.3V - 150 mA Device Power Consumption 5V 28 mA, 3.3V - 16 mA Board Size 7656x4560 mils (194x116 mm) Additional Features Speaker, 7-segment LED indicator, 3 buttons, 2 external protected inputs, 2 external protected outputs with Open Drain (High or Low) drive mode, prototyping area 2 LEDs and Peripherals Selection Jumpers Figure 1. Components Location Address Select for U2 Address Select for U4 Interrupt Selection Jumper I2C-USB Bridge Power Supply LED Indicator Power Supply ON/OFF DC Adapter Plug Connector Reset 3.3/5V Speaker Switches External Inputs/Outputs Connector Address Select for U3 J8 Power Source Selection CY3242-IOX Jumper Settings and Connector Descriptions J9 - J34 LEDs and Peripherals to Expander Pins Connection Selection Jumper See schematic for details. Open - Expander pin is disconnected from LEDs and peripherals J1 I2C-USB Bridge Board 1 2 3 4 5 +5V Gnd Int Clk Data Closed - Expander pin is connected to LED or/and peripheral J35 U2 Interrupt Selection Jumper J3 External 3.3V/5V Power Supply ON/OFF Jumper 2 Make sure that the I C interrupt line is available before connection. Only one device can use this line. Closed - External Power Supply ON Open - External Power Supply OFF (Default) 2 Open - U2 interrupt pin is disconnected from I C interrupt line (Default) 2 Closed - U2 interrupt pin is connected to I C interrupt line J4 External Power Supply Connector 1 2 +5V Gnd J36 - J37 LEDs and Peripherals to Expander Pins Connection Selection Jumper See schematic for details. Open - Expander pin is disconnected from LEDs and peripherals J5 DC Adapter Plug Connector + Closed - Expander pin is connected to LED or/and peripheral DC 9-15V 0.3A - J38 - J39 U2 Address Selection Jumper See description below for details about Port Expander address selection. J6 External Inputs/Outputs Connector 1 2 3 4 5 In1 In2 Out1 Out2 Gnd J40 - J41 LEDs and Peripherals to Expander Pins Connection Selection Jumper J7 Internal Regulator Output Voltage-Select Jumper See schematic for details. This jumper selects regulator output voltage when board is powered from external DC adapter. Open - Expander pin is disconnected from LEDs and peripherals Closed - 3.3V Closed - Expander pin is connected to LED or/and peripheral Open - 5V (Default) J42 - J67 U2 Address Selection Jumper J8 Expander Device Power Source Selection Jumper See description below for details about Port Expander address selection. Open 1, 2, 3 - All devices are powered from external 3.3V/5V power supply if J3 is closed Closed 1, 2 - Devices are powered from I2C-USB bridge J68 - J79 LEDs and Peripherals to Expander Pins Connection Selection Jumper Closed 2, 3 - Devices are powered from external DC power supply via internal regulator (Default) See schematic for details. Open - Expander pin is disconnected from LEDs and peripherals Closed - Expander pin is connected to LED or/and peripheral September 13, 2006 Rev. ** -2- CY3242-IOX J80 U3 Interrupt Selection Jumper J126 – J127 U4 Address Selection Jumper 2 Make sure that the I C interrupt line is available before connection. Only one device can use this line. See description below for details about Port Expander address selection. 2 Open - U3 interrupt pin is disconnected from I C interrupt line (Default) J128 - J129 LEDs and Peripherals to Expander Pins Connection Selection Jumper 2 Closed - U3 interrupt pin is connected to I C interrupt line See schematic for details. J81 - J88 LEDs and Peripherals to Expander Pins Connection Selection Jumper Open - Expander pin is disconnected from LEDs and peripherals See schematic for details. Closed - Expander pin is connected to LED or/and peripheral Open - Expander pin is disconnected from LEDs and peripherals Closed - Expander pin is connected to LED or/and peripheral J130 - J155 U4 Address Selection Jumper See description below for details about Port Expander address selection. J89 - J116 U3 Address Selection Jumper See description below for details about Port Expander address selection. I2C Port Expander Address Selection Jumpers J117 - J120 LEDs and Peripherals to Expander Pins Connection Selection Jumper The I2C Port Expander board includes three different expander devices. Every device must be configured to an 2 2 individual I C address. For I C address configuration, the address selection jumper is used. See schematic for details. Open - Expander pin is disconnected from LEDs and peripherals Table 2. Address Selection Jumper Closed - Expander pin is connected to LED or/and peripheral Jumpers Jumper Addresses J121 U4 Interrupt Selection Jumper 2 Make sure that the I C interrupt line is available before connection. Only one device can use this line. Open - U4 interrupt pin is disconnected from I2C interrupt line (Default) A6 A5 A4 A3 A2 A1 A0 LW LW LW LW LW LW LW LS LS LS LS LS LS LS HW HW HW HW HW HW HW HS HS HS HS HS HS HS LW - Weak pull down. LS - Strong pull down. HW - Weak pull up. HS - Strong pull up. 2 Closed - U4 interrupt pin is connected to I C interrupt line J121 - J125 LEDs and Peripherals to Expander Pins Connection Selection Jumper See schematic for details. Open - Expander pin is disconnected from LEDs and peripherals Closed - Expander pin is connected to LED or/and peripheral September 13, 2006 Rev. ** -3- CY3242-IOX The A0 line is always used to define the corresponding bit of the I2C address. This pin should be pulled up or down. If A0 is a strong pull up or a strong pull down (connected through a resistor, 330 ohms or less, to Vdd or Vss), then that is the only address line being specified and the A1-A6 lines are used as GPIO. If A0 is a weak pull up or a weak pull down (connected to Vdd or Vss through 75 - 200kohm resistor), then A0 is not the only externally defined address bit. There is a pin assigned to be A1 if it is needed. This pin can be pulled up or pulled down strong or weak with a resistor. As with A0, the type of pull determines whether the address bit is the last externally defined address bit. Different from A0, A1 is not dedicated as an address pin. It is only used if A0 is not the only address bit externally defined. There are also predefined pins for A2, A3, A4, A5 and A6 that will only be used for addressing if needed. The last address bit in the chain is pulled strong. That way, only the number of pins needed to assign the address desired for the part are allocated as address pins; any pins not used for address bits are available to be used as GPIO pins. The table, “Device Addressing,” on page 3 of the I2C Port Expander Data Sheet defines the resulting 2 device I C address. 2 For example, to set the I C address to 0x40 (0100000), we simply set A0 to LS, Strong Pull Down. The other address pins have their jumpers removed, making them available 2 for use as GPIO. The resulting I C address is as follows. A 6 A 5 A 4 A 3 A 2 A 1 A0 N/A Jumper Address Pins 7 6 5 4 3 2 1 0 I2C Address Bits 0 1 0 0 0 0 0 0 Bit Value O p e n O p e n O p e n O p e n O p e n O p e n LS N/A Jumper Setting Note before using, make sure all address pins that use the address selection jumper are not connected to any peripherals (LEDs, inputs/outputs, etc.). September 13, 2006 Rev. ** -4- CY3242-IOX I2C Port Expander Address Select Examples Table 3. Example 1 A6 LW LS HW HS A5 LW LS HW HS A4 LW LS HW HS A3 LW LS HW HS A2 LW LS HW HS A1 LW LS HW HS A0 LW LS HW HS A5 LW LS HW HS A4 LW LS HW HS A3 LW LS HW HS A2 LW LS HW HS A1 LW LS HW HS A0 LW LS HW HS A5 LW LS HW HS A4 LW LS HW HS A3 LW LS HW HS A2 LW LS HW HS A1 LW LS HW HS A0 LW LS HW HS Black - Jumper is closed. White - Jumper is open. I2C address is set to 0x40. Table 4. Example 2 A6 LW LS HW HS Black - Jumper is closed. White - Jumper is open. I2C address is set to 0x42. Table 5. Example 3. A6 LW LS HW HS Black - Jumper is closed. White - Jumper is open. I2C address is set to 0x80. September 13, 2006 Rev. ** -5- CY3242-IOX Demonstration Example Scripts Code 1. Script 1 1 kHz tone to speaker. U2 address is 0x40. Jumper U2 - GP1[3] must be installed. s40 s40 s40 s40 s40 s40 28 09 18 1c 1a 21 00 04 25 10 2 08 01 00 08 08 ;select and configure PWM ;select output port register ;select the Gport to be configured ;configure port as output ;connect port to PWM output ;select strong drive mode Code 2. Script 2 Read buttons state. U2 address is 0x40. Jumpers U2 - GP1[0], GP1[1], and GP1[2] must be installed. s40 s40 s40 s40 s40 s41 09 18 1c 1e 01 01 00 01 ff ff x ;write to port zero ;select the Gport to be configured ;set the port direction to input ;select resistive pull down drive mode ;start reading ;repeat this line to continuously read button state Code 3. Script 3 Turn on external outputs. U2 address is 0x40. Jumpers U2 - GP1[4] and GP3[0] must be installed. s40 s40 s40 s40 09 18 1c 21 10 01 00 10 ;set bit 4 port 1 ;select the Gport1 to be configured ;set the port direction to output ;select strong drive mode s40 s40 s40 s40 0b 18 1c 21 01 03 00 01 ;set bit 0 port 3 ;select the Gport3 to be configured ;set the port direction to output ;select strong drive mode 2 See the I C Port Expander Data Sheet for more details about configuration. September 13, 2006 Rev. ** -6- CY3242-IOX I2C Port Expander Board Schematics Out1 Power R1 30K GP3[2]_1 R2 R3 Q2 R4 30K 510 510 5 4 3 2 1 SDA SCL INT D1 R5 1k Q1 BC817-16L In2 J1 FZT690BTA GP1[4]_1 R6 5k1 R7 D2 5K1 P6KE6.8A Q3 P6KE33A BC817-16L +5V_IIC LS1 R8 0.5 CON5 CEM-1206S C9 1uF R9 1K Out2 Q4 BC807-40 T/R GP1[3]_1 D91 STPS340U GP3[1]_1 R10 5K1 R11 Power Power 510 GP1[0]_1 510 GP3[0]_1 BC817-16L R14 R15 5K1 D3 FZT690BTAL R13 1k Q5 SW1 SW2 Q6 R12 In1 5K1 BC817-16L GP1[1]_1 R19 R20 R21 R22 R23 R25 R26 R27 Power GP1[2]_1 R18 1K 10 9 8 5 4 2 3 7 XRES D5 D6 EG1867CT-ND Power QTLP630C7TR QTLP630C7TR 1, 6 C8 10n J3 A B C D E F G H Power D7 2 R28 3 6 5 7 1K IN SW Power 1 47uH C BOOST FB nc SS 4 TP2 Vdd R29 J6 Power 21K J7 C1 0.1 D9 QTLP630C7TR TP1 GND R30 D90 3 17K 2 1 STPS340U 1 +5V_IIC 1 2 3 4 5 In1 In2 Out1 Out2 2 2 1 1 2 QTLP630C7TR L1 U1 LM2676S-ADJ J4 Power 1 1K LTS-4802BJR-H1 GND D8 STPS340U 2 R24 HL1 PJ-102BJ5 P6KE33A R16 0.5 1 R17 1K SW4 1K 1K 1K 1K 1K 1K 1K 1K 1 +5V_IIC SW3 D4 Q7 P6KE6.8A D10 P6KE6.8A In/Out J8Power Source C3 R31 C4 0.1 R154 1K 12K Title I2C Port Expander C2 220uF 25V 220uF 6.3V Size A4 Date: September 13, 2006 Rev. ** Document Number REF-13522 Tuesday , May 16, 2006 Rev <B> Sheet 0 of 4 -7- GP3[0]_A GP3[1]_A GP3[2]_A GP3[3]_A 8 9 10 11 12 13 14 15 DNU GP1[3] DNU GP1[4] GP0[3] GP0[4] GP0[5] GP0[6] GP0[7] DNU GP1[5] GP1[6] GP1[7] GP3[0] GP3[1] GP3[2] GP3[3] GP4[0] GP4[1] U2 DNU DNU DNU Vss GP4[2] GP4[3] CY8C9560-24PVXI Vss XRES CON2 J44 2 1 CON2 2 1 J50 CON2 J62 GP1[4]_A GP0[4]_A GP0[5]_A GP0[6]_A GP0[7]_A 1 2 3 4 1 2 3 4 1 2 3 4 71 70 69 68 GP1[5]_A GP1[6]_A GP1[7]_A 67 66 GP4[0]_A GP4[1]_A 64 63 GP4[2]_A GP4[3]_A 62 XRES GP4[4]_A GP4[5]_A GP4[6]_A GP4[7]_A 55 54 53 52 GP5[5]_A GP5[4]_A GP5[0]_A GP5[1]_A CON4 GP3[0]_A GP3[1]_A GP3[2]_A GP3[3]_A 100K 100K GP1[7]_A 2 1 CON2 J54 100K 2 1 100K 100K 2 1 CON2 J42 CON2 J45 2 1 CON2 J51 2 1 CON2 J57 R85 R87 100K 2 1 CON2 J46 2 1 CON2 J52 2 1 R88 100K R94 CON2 J49 2 1 CON2 J55 2 1 CON2 2 1 J61 2 1 100K QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR R91 100K R97 100K Power Power Power Title CON2 J67 CON2 J64 CON2 J63 CON2 J43 I2C Port Expander Size B 0.1 GP0[0]_B GP0[1]_B GP0[2]_B GP0[3]_B GP0[4]_B GP0[5]_B GP0[6]_B GP0[7]_B 1 2 3 4 5 6 7 8 GP0[0] GP0[1] GP0[2] GP0[3] GP0[4] GP0[5] GP0[6] GP0[7] GP1[0] GP1[1] GP1[2] GP1[3] GP1[4] GP1[5] GP1[6] GP1[7] 47 46 45 44 43 42 41 40 GP3[0]_B GP3[1]_B GP3[2]_B GP3[3]_B 9 10 11 12 GP3[0] GP3[1] GP3[2] GP3[3] GP4[0] GP4[1] GP4[2] GP4[3] 39 38 37 36 GP4[0]_B GP4[1]_B GP4[2]_B GP4[3]_B 35 XRES 13 Vss XRES GP3[4]_B GP3[5]_B GP3[6]_B GP3[7]_B 14 GP3[4] 15 GP3[5] 16 GP3[6] 17 GP3[7] GP4[4] 34 GP4[5] 33 GP4[6] 32 GP4[7] 31 GP5[2]_B GP5[3]_B 18 GP5[2] 19 GP5[3] GP5[0] 30 GP5[1] 29 SCL SDA GP2[3]_B A0_B 20 21 22 23 GP2[0] GP2[1] INT GP2[2] 24 SCL SDA GP2[3] A0 28 27 262 25 GP1[0]_B GP1[1]_B GP1[2]_B GP1[3]_B GP1[4]_B GP1[5]_B GP1[6]_B GP1[7]_B 1 2 3 4 1 2 3 4 GP0[4]_B GP0[5]_B GP0[6]_B GP0[7]_B J70 CON41 2 3 4 1 2 3 4 J72 CON4 GP1[4]_B GP1[5]_B GP1[6]_B GP1[7]_B GP4[4]_B GP4[5]_B GP4[6]_B GP4[7]_B GP2[0]_B GP2[1]_B GP2[2]_B GP2[3]_B GP5[0]_B GP5[1]_B CON2 J104 2 1 2 1 CON2 J111 R123 100K R130 2 1 CON2 J105 100K 2 1 2 1 Power CON2 J112 R124 3 of 4 D62 QTLP630C7TR D63 QTLP630C7TR D64 QTLP630C7TR R102 R101 1K 1K D65 QTLP630C7TR D66 QTLP630C7TR D67 QTLP630C7TR D68 QTLP630C7TR J79CON4 GP3[0]_B GP3[1]_B GP3[2]_B GP3[3]_B 1 2 3 4 GP3[4]_B GP3[5]_B GP3[6]_B GP3[7]_B CON4J81 1 2 3 4 J82CON4 1 2 3 4 1 2 3 4 GP4[0]_B GP4[1]_B GP4[2]_B GP4[3]_B J83 CON4 1 2 3 4 J84CON4 1 2 3 4 R110 1K R111 1K R112 1K R113 1K J86CON4 1 2 3 4 R114 1K R116 1K R117 R115 1K 1K 1 2 3 4 A3 A4 R105 1K D69 QTLP630C7TR J88CON4 R106 1K R108 1K R109 R107 1K 1K CON2 J92 2 1 100K CON2 J99 R131 CON2 J106 2 1 Power 2 1 100K CON2 J113 2 1 R125 100K R132 100K 2 1 CON2 J96 2 1 CON2 J103 2 1 CON2 Power J110 2 1 R122 100K R129 QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR D74 QTLP630C7TR D75 QTLP630C7TR D76 QTLP630C7TR D77 QTLP630C7TR D78 QTLP630C7TR D79 QTLP630C7TR D80 QTLP630C7TR D81 QTLP630C7TR D82 D83 D84 D85 QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR A2 GP2[0]_B CON2 J89 D70 D71 D72 D73 R118 1K R119 1K R120 1K R121 1K A0_B A0 GP2[3]_B A1 GP2[1]_B GP1[7]_B CON2 J98 Sheet R98 1K R100 1K R99 1K J77CON4 1 2 3 4 CON4 J78 GP2[0]_B GP2[1]_B J80 1 INT GP1[6]_B 2 1 4 J71 CON4 J73 CON4 1 2 3 4 J75 CON4 1 2 3 4 1 2 3 4 J74 CON4 1 2 3 4 J76 CON4 1 2 3 4 CON4 J85 1 GP4[4]_B 2 GP4[5]_B 3 GP4[6]_B 4 GP4[7]_B CON4 J87 1 GP5[0]_B 2 GP5[1]_B 3 GP5[2]_B 4 GP5[3]_B A5 of R103 1K R104 1K GP2[2]_B CON2 J91 0 J69 GP0[0]_B GP0[1]_B GP0[2]_B GP0[3]_B GP1[0]_B GP1[1]_B GP1[2]_B GP1[3]_B Vss GP1[5]_B Rev B Sheet GP1[0]_1 GP1[1]_1 GP1[2]_1 GP1[3]_1 GP1[4]_1 GP3[0]_1 GP3[1]_1 GP3[2]_1 J68 48 Friday , May 19, 2006 CON4 CON4 C6 Vdd Document Number REF-13522 A B C D E F G H Power 2 1 D42 QTLP630C7TR D44 QTLP630C7TR D48 QTLP630C7TR D49 QTLP630C7TR A0_A A0 2 1 100K Power U3 CY 8C9540-24PVXI CON2 J97 D35 QTLP630C7TR D37 QTLP630C7TR D39 QTLP630C7TR D41 QTLP630C7TR R66 1K R67 1K R69 1K R71 1K Date: 2 1 QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR GP2[3]_A 2 1 CON2 J58 R93 2 1 100K 2 1 Power J66 A6 D27 D29 D31 D33 CON4 R53 1K R55 1 J28 R56 1K R59 2 1K 3 R61 4 R63 1K J31 1K CON4 1 2 3 4 CON4 GP2[1]_A R80 2 1 100K CON2 CON2 J90 D21 QTLP630C7TR D20 QTLP630C7TR D24 QTLP630C7TR D25 QTLP630C7TR D54 QTLP630C7TR D55 QTLP630C7TR D56 QTLP630C7TR D57 QTLP630C7TR D59 D58 D60 D61 A2 GP2[0]_A 2 1 CON2 J39 R96 2 1 Power CON2 J38 R90 2 1 CON2 J60 R95 2 1 A3 A4 CON2 J48 R89 2 1 CON2 J65 GP7[4]_A GP7[5]_A GP7[6]_A GP7[7]_A QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR D12 QTLP630C7TR D14 QTLP630C7TR D17 QTLP630C7TR D18 QTLP630C7TR Power GP1[6]_A 2 1 CON2 J59 GP7[0]_A GP7[1]_A GP7[2]_A GP7[3]_A J23 CON4 1 2 3 4 J27 CON4 1 2 3 4 J32 CON4 1 2 3 4 R33 1K R36 1K J16 CON4 R35 1K R39 1K 1 2 3 4 J20 R45 R44 CON4 1 1K 1K 2 3 4 J24 R47 1K R41 1K CON4 1 R49 1K R48 2 1K 3 1K 4 100K 2 1 CON2 J53 GP6[0]_A GP6[1]_A GP6[2]_A GP6[3]_A J19 CON4 1 2 3 4 J15 D50 QTLP630C7TR D51 QTLP630C7TR D52 QTLP630C7TR D53 QTLP630C7TR R81 1K R82 1K R83 1K R84 1K A1 CON2 J47 CON4 1 2 3 4 R92 2 1 A5 D43 D45 D46 D47 GP5[4]_A GP5[5]_A GP5[6]_A GP5[7]_A GP6[4]_A GP6[5]_A GP6[6]_A GP6[7]_A D34 QTLP630C7TR D36 QTLP630C7TR D38 QTLP630C7TR D40 QTLP630C7TR R77 1K R78 1K R76 1K R79 1K 2 3 4 CON4 J41 1 2 3 4 CON4 R58 1K R60 1K R62 R57 1K 1K R72 1K R73 1K R74 1K R75 1K CON4 J37 1 QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR D28 QTLP630C7TR D26 QTLP630C7TR D30 QTLP630C7TR D32 QTLP630C7TR R65 1K R68 1K R64 1K R70 1K CON4 1 J30 2 3 4 CON4 J34 1 2 3 4 CON4J36 1 2 3 4 D19 D22 D23 D91 R51 1K R52 1K R54 R50 1K 1K J26 CON4 1 2 3 4 CON4J40 1 GP5[0]_A 2 GP5[1]_A 3 GP5[2]_A 4 GP5[3]_A R86 D11 QTLP630C7TR D13 QTLP630C7TR D16 QTLP630C7TR D15 QTLP630C7TR 1 2 3 4 J25 1 2 3 4 R32 1K R34 1K R37 1K R38 1K R40 1K R42 1K R43 1K R46 1K J22CON4 1 2 3 4 CON4 J33 1 GP4[0]_A 2 GP4[1]_A 3 GP4[2]_A 4 GP4[3]_A GP4[4]_A GP4[5]_A GP4[6]_A GP4[7]_A J12 1 2 3 4 J18 CON4 J29 1 2 3 4 GP3[4]_A GP3[5]_A GP3[6]_A GP3[7]_A DNU DNU DNU CON4 J14 CON4 J21 1 2 3 4 GP2[0]_A GP2[1]_A GP2[2]_A GP2[3]_A 51 CON4 CON4 J13 1 2 3 4 GP1[4]_A GP1[5]_A GP1[6]_A GP1[7]_A 61 60 59 58 57 56 CON4 1 2 3 4 J17 GP1[0]_A GP1[1]_A GP1[2]_A GP1[3]_A 65 48 49 50 GP2[1] GP2[0] INT 245 46 47 GP2[2] GP1[3]_A 73 72 1 INT J35 GP2[1]_A GP2[0]_A 32 33 DNU J10 1 2 3 4 J11 75 74 GP1[5]_A 2 1 CON2 J56 44 30 31 A0_A A6 GP2[2]_A 29 SDA 28 GP2[3]_A 26 27 SDA Power 36 37 38 39 40 41 42 43 DNU GP7[7] GP7[6] GP7[5] GP7[4] GP7[3] GP7[2] GP7[1] GP7[0] SCL DNU DNU 25 GP7[7]_A GP7[6]_A GP7[5]_A GP7[4]_A GP7[3]_A GP7[2]_A GP7[1]_A GP7[0]_A 24 GP5[5] GP5[4] GP5[0] GP5[1] Vss DNU SCL GP5[7] GP5[6] GP5[2] GP5[3] Vdd DNU 20 21 22 23 GP4[4] GP4[5] GP4[6] GP4[7] 34 35 GP5[7]_A GP5[6]_A GP5[2]_A GP5[3]_A DNU DNU GP3[4] GP3[5] GP3[6] GP3[7] A0 DNU 16 17 18 19 GP2[3] GP3[4]_A GP3[5]_A GP3[6]_A GP3[7]_A A B C D E F G H GP1[2]_A GP1[1]_A J9 79 78 77 76 GP1[0]_A GP1[0] DNU Vss Vss Vdd Vdd CON4 CON4 GP0[0]_A GP0[1]_A GP0[2]_A GP0[3]_A GP1[1] DNU GP1[2] DNU 85 84 83 82 81 80 GP0[0]_A GP0[1]_A GP6[7]_A GP6[6]_A GP6[5]_A GP6[4]_A GP6[3]_A GP6[2]_A GP6[1]_A GP6[0]_A 94 93 92 91 90 89 88 87 86 DNU GP6[7] GP6[6] GP6[5] GP6[4] GP6[3] GP6[2] GP6[1] GP6[0] DNU DNU Power GP1[0]_1 GP1[1]_1 GP1[2]_1 GP1[3]_1 GP1[4]_1 GP3[0]_1 GP3[1]_1 GP3[2]_1 3 4 5 6 7 DNU GP0[0] 1 2 GP0[3]_A GP0[4]_A GP0[5]_A GP0[6]_A GP0[7]_A DNU GP0[2] U2 98 97 100 99 C5 0.1 DNU GP0[1] Power 96 95 GP0[2]_A CY3242-IOX CON2 J94 2 1 CON2 J101 2 1 CON2 2 1 J108 100K 2 1 Power R127 100K R134 CON2 J95 2 1 CON2 J102 2 1 CON2 J109 100K 2 1 Power CON2 J115 2 1 CON2 J116 R128 100K R135 CON2 J93 2 1 CON2 J100 2 1 CON2 J107 2 1 100K 2 1 R126 100K R133 100K Power Power CON2 J114 Title I2C Port Expander Size B Date: September 13, 2006 Rev. ** Document Number REF-13522 Thursday , May 11, 2006 Rev B -8- A B C D E F G H CY3242-IOX Power CON4 CON4 J117 J118 C7 28 Vdd 1 2 3 4 5 6 7 8 GP0[0]_C GP0[1]_C GP0[2]_C GP0[3]_C GP0[4]_C GP0[5]_C GP0[6]_C GP0[7]_C GP0[0] GP0[1] GP0[2] GP0[3] GP0[4] GP0[5] GP0[6] GP0[7] GP1[0] GP1[1] GP1[2] GP1[3] GP1[4] GP1[5] GP1[6] GP1[7] 9 Vss 10 11 12 13 SCL SDA GP2[3]_C A0_C 14 XRES SCL SDA GP2[3] A0 GP2[0] GP2[1] INT GP2[2] 0.1 27 26 25 24 23 22 21 20 GP1[0]_C GP1[1]_C GP1[2]_C GP1[3]_C GP1[4]_C GP1[5]_C GP1[6]_C GP1[7]_C 19 XRES GP2[0]_C GP2[1]_C 18 17 16 2 15 1 INT J121 GP0[0]_C GP0[1]_C GP0[2]_C GP0[3]_C 1 2 3 4 1 2 3 4 GP0[4]_C GP0[5]_C GP0[6]_C GP0[7]_C J119 1 2 3 4 1 2 3 4 CON4 CON4 CON4 CON4 J122 J123 1 2 3 4 J124 CON4 1 2 3 4 GP1[0]_C GP1[1]_C GP1[2]_C GP1[3]_C GP2[2]_C Vss CON2 J135 2 1 CON2 R145 CON2 2 1 J147 1 2 3 4 GP2[0]_C GP2[1]_C GP2[2]_C GP2[3]_C 100K 2 1 J141 GP1[4]_C GP1[5]_C GP1[6]_C GP1[7]_C GP1[6]_C A5 R151 1 2 3 4 J125 CON4 1 2 3 4 R137 R138 R139 R140 1 2 3 4 CON4 J128 100K 2 1 J120 GP1[0]_1 GP1[1]_1 GP1[2]_1 GP1[3]_1 GP1[4]_1 GP3[0]_1 GP3[1]_1 GP3[2]_1 U4 CY8C9520-24PVXI 1K 1K 1K 1K D86 D87 D88 D89 QTLP630C7TR QTLP630C7TR QTLP630C7TR QTLP630C7TR CON4 J129 Power A6 CON2 J132 GP1[5]_C 2 1 CON2 J138 2 1 CON2 2 1 J144 2 1 R142 100K CON2 J153 A4 CON2 J136 2 1 CON2 J142 R148 CON2 J148 100K 2 1 2 1 Power CON2 J150 2 1 CON2 J154 A3 R146 100K R152 CON2 J126 2 1 CON2 J127 2 1 2 1 CON2 J130 100K 2 1 Power CON2 J131 A2 GP2[0]_C GP1[7]_C R136 CON2 J133 100K CON2 J139 R141 CON2 J145 100K Power 2 1 2 1 2 1 2 1 GP2[3]_C A1 GP2[1]_C R143 CON2 J134 100K R149 CON2 J140 CON2 J146 100K Power CON2 J151 2 1 2 1 2 1 2 1 R144 100K R150 A0 CON2 J137 2 1 CON2 J143 2 1 CON2 J149 2 1 Power 2 1 100K CON2 J152 A0_C R147 100K R153 100K Power CON2 J155 Title A6 I2C Port Expander Size A Date: Document Number REF-13522 Tuesday , May 16, 2006 Rev B Sheet 0 of 4 Cypress Semiconductor 198 Champion Court San Jose, CA 95134-1709 Phone: 408-943-2600 Fax: 408-943-4730 http://www.cypress.com © Cypress Semiconductor Corporation, 2006. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. September 13, 2006 Rev. ** -9-