Datasheet

PIC32MX1XX/2XX
DS61168E-page 22 Preliminary  2011-2012 Microchip Technology Inc.
RC0 — — 3 25 I/O ST PORTC is a bidirectional I/O port
RC1 — — 4 26 I/O ST
RC2 — — — 27 I/O ST
RC3 — — 11 36 I/O ST
RC4 — — — 37 I/O ST
RC5 — — — 38 I/O ST
RC6 — — — 2 I/O ST
RC7 — — — 3 I/O ST
RC8 — — — 4 I/O ST
RC9 — — 20 5 I/O ST
T1CK 9 12 10 34 I ST Timer1 external clock input
T2CK PPS PPS PPS PPS I ST Timer2 external clock input
T3CK PPS PPS PPS PPS I ST Timer3 external clock input
T4CK PPS PPS PPS PPS I ST Timer4 external clock input
T5CK PPS PPS PPS PPS I ST Timer5 external clock input
U1CTS
PPS PPS PPS PPS I ST UART1 clear to send
U1RTS
PPS PPS PPS PPS O — UART1 ready to send
U1RX PPS PPS PPS PPS I ST
UART1 receive
U1TX PPS PPS PPS PPS
O — UART1 transmit
U2CTS
PPS PPS PPS PPS I ST UART2 clear to send
U2RTS
PPS PPS PPS PPS O — UART2 ready to send
U2RX PPS PPS PPS PPS
IST
UART2 receive
U2TX PPS PPS PPS PPS
O—
UART2 transmit
SCK1 22 25 28 14
I/O ST
Synchronous serial clock input/output for
SPI1
SDI1 PPS PPS PPS PPS
IST
SPI1 data in
SDO1 PPS PPS PPS PPS
O—
SPI1 data out
SS1
PPS PPS PPS PPS I/O ST SPI1 slave synchronization or frame
pulse I/O
SCK2 23 26 29 15 I/O ST Synchronous serial clock input/output for
SPI2
SDI2 PPS PPS PPS PPS
IST
SPI2 data in
SDO2 PPS PPS PPS PPS
O—
SPI2 data out
SS2
PPS PPS PPS PPS I/O ST SPI2 slave synchronization or frame
pulse I/O
SCL1 14 17 18 44 I/O ST Synchronous serial clock input/output for
I2C1
TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin Number
(1)
Pin
Type
Buffer
Type
Description
28-pin
QFN
28-pin
SSOP/
SPDIP/
SOIC
36-pin
VTLA
44-pin
QFN/
TQFP/
VTLA
Legend: CMOS = CMOS compatible input or output Analog = Analog input P = Power
ST = Schmitt Trigger input with CMOS levels O = Output I = Input
TTL = TTL input buffer PPS = Peripheral Pin Select — = N/A
Note 1: Pin numbers are provided for reference only. See the “Pin Diagrams” section for device pin availability.
2: Pin number for PIC32MX1XX devices only.
3: Pin number for PIC32MX2XX devices only.