PIC32MX274F256D PIC32MX274F256D Bluetooth Audio 44-pin to 100-pin TQFP Plug-In Module (PIM) (MA320022) Information Sheet The PIC32MX274F256D Bluetooth Audio PIM The PIC32MX1XX/2XX family of devices are high- (MA320022) is designed to demonstrate the performance 32-bit microcontrollers in low-pin count capabilities of the PIC32MX1XX/2XX family of packages. devices using the PIC32 Bluetooth Audi o Table 1 provides the mapping between the Development Board. development board functions and the device pins. Note: This PIM can only be used with the 2 The MCP23008 is an I C bus expander, which was PIC32 Bluetooth Audio Development added to help maintain the most of the functionalities Board. To get started with development, 2 of the 100-pin device, see Figure 3. The I C expander please visit: PIC32MX274F256D TABLE 1: 44-PIN TO 100-PIN PIM MAPPING 2 I C Device Functional PIC32MX274F256D Pin Name PIM Pin Expander Pin Description (MCP23008) 26 AN7/RPC1/RC1 53 I2S1 MCLK 27 AN8/RPC2/PMA2/RC2 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 DS50002578A-page 2 2017 Microchip Technology Inc.