PIC32MX270F256D PIC32MX270F256D Bluetooth® Audio 44-pin to 100-pin TQFP Plug-In Module (PIM) Information Sheet The PIC32MX270F256D Bluetooth Audio PIM is designed to demonstrate the capabilities of the PIC32MX1XX/2XX family of devices using the PIC32 Bluetooth Audio Development Kit board. Note: This PIM can only be used with the PIC32 Bluetooth Audio Development Board. To get started with development, please visit: http://www.microchip.com/ pic32tools and click the PIC32 Bluetooth Audio Development Board product link. TABLE 1: The PIC32MX1XX/2XX family of devices are highperformance 32-bit microcontrollers in low-pin count packages. Table 1 shows the mapping between the development board functions and the device pins. The MCP23008 (see Figure 3) is an I2C bus expander, which was added to help maintain most of the functionality of the 100-pin device. The I2C expander controls the on-board LEDs and charge management logic control lines. For flexibility, the I2C expander has a changeable slave address. 44-PIN TO 100-PIN PINOUT Device Pin # PIC32MX270F256D Pin Name PIM Pin # Functional Description I 2C Expander (MCP23008) 1 RPB9/SDA1/CTED4/PMD3/RB9 59, 67 I2C SDA 2 2 RPC6/PMA1/RC6 77 UART1_RX — 3 RPC7/PMA0/RC7 78 UART_TX — 4 RPC8/PMA5/RC8 49 UART2_RX — 5 RPC9/CTED7/PMA6/RC9 41 SW4 — 3, 5, 9 6 VSS 15, 31, 36, 45, 65, 75 GND 7 VCAP 2, 16, 30, 37, 46, 62, 86 3.3V/VCAP — 8 PGED2/RPB10/D+/CTED11/RB10 57 USB D+ — 56 USB D- — 3.3V 20 9 PGEC2/RPB11/D-/RB11 10 VBUS3V3 11 AN11/RPB13/CTPLS/PMRD/RB13 11 SPI2_SDI — 12 PGED/TMS/PMA10/RA10 27 PGD4 — 13 PGEC/TCK/CTED8/PMA7/RA7 26 PGC4 — 14 CVREFOUT/AN10/C3INB/RPB14/VBUSON/SCK1/CTED5/RB14 70 I2S1_BCLK — 15 AN9/C3INA/RPB15/SCK2/CTED6/PMCS1/RB15 10 SCK2 — 16 AVSS 15, 31, 36, 45, 65, 75 GND 3, 5, 9 17 AVDD 2, 16, 30, 37, 46, 62, 86 3.3V 20 18 MCLR 13 MCLR# — 19 PGED3/VREF+/CVREF+/AN0/C3INC/RPA0/CTED1/PMD7/RA0 35 VOLUME — 20 PGEC3/VREF-/CVREF-/AN1/RPA1/CTED2/PMD6/RA1 80 VBUS_SENSE — 21 PGED1/AN2/C1IND/C2INB/C3IND/RPB0/PMD0/RB0 52 SS2 — 22 PGEC1/AN3/C1INC/C2INA/RPB1/CTED12/PMD1/RB1 79 UART1_CTS# — 23 AN4/C1INB/C2IND/RPB2/SDA2/CTED13/PMD2/RB2 17 SW1 — 24 AN5/C1INA/C2INC/RTCC/RPB3/SCL2/PMWR/RB3 38 SW2 — 25 AN6/RPC0/RC0 1 STBY/RS# — 26 AN7/RPC1/RC1 53 I2S1_MCLK — © 2014 Microchip Technology Inc. DS50002268A-page 1 PIC32MX270F256D TABLE 1: 44-PIN TO 100-PIN PINOUT (CONTINUED) Device Pin # 27 PIC32MX270F256D Pin Name AN8/RPC2/PMA2/RC2 PIM Pin # Functional Description I2 C Expander (MCP23008) 76 UART_RTS# — 28 VDD 2, 16, 30, 37, 46, 62, 86 3.3V 20 29 VSS 15, 31, 36, 45, 65, 75 GND 3, 5, 9 30 OSC1/CLKI/RPA2/RA2 63 OSC1 — 31 OSC2/CLKO/RPA3/RA3 64 OSC2 — 32 TDO/RPA8/PMA8/RA8 83 A_DET# — 33 SOSCI/RPB4/RB4 69 I2S1_LRCL — 34 SOSCO/RPA4/T1CK/CTED9/RA4 12 SDO2 — 35 TDI/RPA9/PMA9/RA9 72 I2S1_SDO — 36 AN12/RPC3/RC3 23 UART2_CTS# — 37 RPC4/PMA4/RC4 50 UART2_TX — 38 RPC5/PMA3/RC5 29 SW3 — 39 VSS 15, 31, 36, 45, 65, 75 GND 3, 5, 9 40 VDD 2, 16, 30, 37, 46, 62, 86 3.3V 20 41 RPB5/USBID/RB5 42 SW5 — 42 VBUS 54 3.3V/VBUS — 43 RPB7/CTED3/PMD5/INT0/RB7 14 UART2_RTS# — 44 RPB8/SCL1/CTED10/PMD4/RB8 58, 66 I2C SCL 1 DS50002268A-page 2 © 2014 Microchip Technology Inc. PIC32MX270F256D +3.3V GPIO_12/STBY/RST GPIO_22/SCK2/I2S2_BCLK GPIO_27/SPI2_SDI GPIO_25/I2S2_SDO PIC32_MCLR GPIO_21/UART2_RTS GPIO_4/UART1_RTS 76 GPIO_2/UART1_Tx GPIO_1/UART1_Rx 77 78 VBUS_SENSE GPIO_3/UART1_CTS 79 80 GPIO_32 A_DET# 81 82 83 84 85 86 87 USB_SEL0/S USB_SEL1/OE_N LED3 +3.3V 88 89 90 92 93 94 95 96 97 98 100 U1A 99 LED4 100-PIN HEADER SCHEMATIC 91 FIGURE 1: 1 75 2 74 3 73 4 72 5 71 6 70 7 69 8 68 9 67 10 66 11 65 100 pin PIM SOCKET 12 GPIO_8/ SSI /I2S1_LRCL GPIO_10/ISC1_SDA GPIO_7/I2C1_SCL XTAL (8mhZ)_2 63 +3.3V 14 62 15 61 16 60 17 59 18 58 19 57 20 56 21 55 22 54 23 53 24 52 25 51 LED2 LED1 GPIO_10/ISC1_SDA GPIO_7/I2C1_SCL PIC32_D+ PIC32_D- VBUS GPIO_5/REFCLKO/I2S1_MCLK FLASH_CS/SS2 50 49 48 XTAL (8mhZ) GPIO_19/UART2_TX +3.3V GPIO_18/UART2_RX 47 46 45 44 43 42 SW5 41 SW4 40 39 SW2 38 37 36 35 VOLUME 34 33 32 31 +3.3V +3.3V © 2014 Microchip Technology Inc. 30 29 SW3 28 LED5 27 26 PGEC2/PGEC4 PGED2/PGED4 GPIO_20/UART2_CTS GPIO_6/SCK1/I2S1_BCLK 64 13 +3.3V SW1 GPIO_9/I2S1_SDO DS50002268A-page 3 PIC32MX270F256D FIGURE 2: 44-PIN DEVICE SCHEMATIC U1 1 GPIO_10/ISC1_SDA 2 GPIO_1/UART1_Rx 3 GPIO_2/UART1_Tx 4 GPIO_18/UART2_RX 5 SW4 6 7 VCORE/VCAP 8 PIC32_D+ 9 PIC32_D- 10 +3.3V 11 GPIO_27/SPI2_SDI 12 PGED2/PGED4 13 PGEC2/PGEC4 14 GPIO_6/SCK1/I2S1_BCLK 15 GPIO_22/SCK2/I2S2_BCLK 16 17 +3.3V 18 PIC32_MCLR 19 VOLUME 20 VBUS_SENSE 21 FLASH_CS/SS2 22 GPIO_3/UART1_CTS GND +3.3V DS50002268A-page 4 RB8 RC6 RB7 RC7 VBUS RC8 USBID/RB5 RC9 VDD VSS VSS VCAP RC5 D+/RB10 RC4 D-/RB11 RC3 VUSB3V3 RA4 TMS/RA10 RB4 TCK/RA7 TDO/RA8 RB14 OSC2/RA3 RB15 OSC1/RA2 AVSS VSS AVDD VDD MCLR RC2 PGED3/RA0/AN0 RC1 PGEC3/RA1 RC0 PGED1/RB0 RB3 PGEC1/RB1 RB2 @pin 17_U1 +3.3V +3.3V 0.1uF TDI/RA9 RB13 @pin 10_U1 C1 +3.3V PIC32MX270F256D-50I/PT RB9 C2 0.1uF @pin 28_U1 +3.3V C3 0.1uF @pin 40_U1 +3.3V C4 0.1uF 44 43 42 41 GPIO_7/I2C1_SCL GPIO_21/UART2_RTS VBUS SW5 40 +3.3V 39 38 37 36 35 34 33 32 31 30 SW3 GPIO_19/UART2_TX GPIO_20/UART2_CTS GPIO_9/I2S1_SDO GPIO_25/I2S2_SDO GPIO_8/ SSI /I2S1_LRCL A_DET# XTAL (8mhZ)_2 XTAL (8mhZ) 29 28 27 26 25 24 23 +3.3V GPIO_4/UART1_RTS GPIO_5/REFCLKO/I2S1_MCLK GPIO_12/STBY/RST SW2 SW1 @pin 7_U1 VCORE/VCAP C6 10uF © 2014 Microchip Technology Inc. PIC32MX270F256D FIGURE 3: MCP23008 EXPANDER 8-bit I/O Expander w/Serial Interface +3.3V +3.3V R1 DNP R2 U2 DNP 1 GPIO_7/I2C1_SCL 2 GPIO_10/ISC1_SDA 3 J1 +3.3V 1 3 VDD SDA GP7 A2 GP6 A1 GP5 A0 GP4 RESET GP3 NC GP2 INT GP1 VSS GP0 NC NC 19 18 GPIO_32 USB_SEL0/S 0x22h 4 2 Device Address SCL C5 0.1uF 20 17 USB_SEL1/OE_N 0x20h 5 +3.3V R3 6 16 15 LED5 LED4 10K 7 +3.3V R4 8 14 13 LED3 LED2 DNP 9 10 12 LED1 11 MCP23008 MCP23008 Pinout Pin # © 2014 Microchip Technology Inc. Pin Name PIM Pin # Functional Description 12 GP0 60 LED1 13 GP1 61 LED2 14 GP2 91 LED3 15 GP3 92 LED4 16 GP4 28 LED5 17 GP5 89 USB_SEL/OE# 18 GP6 90 USB_SEL/S 19 GP7 84 GPIO_32 DS50002268A-page 5 PIC32MX270F256D REVISION HISTORY Revision A (May 2014) This is the initial released version of this document. DS50002268A-page 6 © 2014 Microchip Technology Inc. Note the following details of the code protection feature on Microchip devices: • Microchip products meet the specification contained in their particular Microchip Data Sheet. • Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions. • There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property. • Microchip is willing to work with the customer who is concerned about the integrity of their code. • Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.” Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of our products. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such acts allow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act. Information contained in this publication regarding device applications and the like is provided only for your convenience and may be superseded by updates. It is your responsibility to ensure that your application meets with your specifications. MICROCHIP MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WHETHER EXPRESS OR IMPLIED, WRITTEN OR ORAL, STATUTORY OR OTHERWISE, RELATED TO THE INFORMATION, INCLUDING BUT NOT LIMITED TO ITS CONDITION, QUALITY, PERFORMANCE, MERCHANTABILITY OR FITNESS FOR PURPOSE. Microchip disclaims all liability arising from this information and its use. Use of Microchip devices in life support and/or safety applications is entirely at the buyer’s risk, and the buyer agrees to defend, indemnify and hold harmless Microchip from any and all damages, claims, suits, or expenses resulting from such use. No licenses are conveyed, implicitly or otherwise, under any Microchip intellectual property rights. Trademarks The Microchip name and logo, the Microchip logo, dsPIC, FlashFlex, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, PIC32 logo, rfPIC, SST, SST Logo, SuperFlash and UNI/O are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. FilterLab, Hampshire, HI-TECH C, Linear Active Thermistor, MTP, SEEVAL and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A. Silicon Storage Technology is a registered trademark of Microchip Technology Inc. in other countries. Analog-for-the-Digital Age, Application Maestro, BodyCom, chipKIT, chipKIT logo, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, HI-TIDE, In-Circuit Serial Programming, ICSP, Mindi, MiWi, MPASM, MPF, MPLAB Certified logo, MPLIB, MPLINK, mTouch, Omniscient Code Generation, PICC, PICC-18, PICDEM, PICDEM.net, PICkit, PICtail, REAL ICE, rfLAB, Select Mode, SQI, Serial Quad I/O, Total Endurance, TSHARC, UniWinDriver, WiperLock, ZENA and Z-Scale are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries. SQTP is a service mark of Microchip Technology Incorporated in the U.S.A. GestIC and ULPP are registered trademarks of Microchip Technology Germany II GmbH & Co. KG, a subsidiary of Microchip Technology Inc., in other countries. All other trademarks mentioned herein are property of their respective companies. © 2014, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper. ISBN: 978-1-63276-195-8 QUALITY MANAGEMENT SYSTEM CERTIFIED BY DNV == ISO/TS 16949 == © 2014 Microchip Technology Inc. Microchip received ISO/TS-16949:2009 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified. 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