70291E Datasheet, PDF (17/436 Pages) Microchip Technology – High-Performance, 16-bit Digital Signal Controllers

dsPIC33FJ32MC302/304, dsPIC33FJ64MCX02/X04 AND dsPIC33FJ128MCX02/X04
TABLE 1-1: PINOUT I/O DESCRIPTIONS
Pin Name
Pin
Type
Buffer
Type
PPS
Description
AN0-AN8
CLKI
CLKO
OSC1
OSC2
SOSCI
SOSCO
CN0-CN30
IC1-IC2
IC7-IC8
I
Analog No Analog input channels.
I ST/CMOS No External clock source input. Always associated with OSC1 pin function.
Oscillator crystal output. Connects to crystal or resonator in Crystal
Oscillator mode. Optionally functions as CLKO in RC and EC modes.
O
—
No Always associated with OSC2 pin function.
I ST/CMOS No Oscillator crystal input. ST buffer when configured in RC mode; CMOS
otherwise.
I/O
—
No Oscillator crystal output. Connects to crystal or resonator in Crystal
Oscillator mode. Optionally functions as CLKO in RC and EC modes.
I ST/CMOS No 32.768 kHz low-power oscillator crystal input; CMOS otherwise.
O
—
No 32.768 kHz low-power oscillator crystal output.
I
ST
No Change notification inputs. Can be software programmed for internal
weak pull-ups on all inputs.
I
ST
Yes Capture inputs 1/2.
I
ST
Yes Capture inputs 7/8.
OCFA
OC1-OC4
I
ST
Yes Compare Fault A input (for Compare Channels 1, 2, 3 and 4).
O
—
Yes Compare outputs 1 through 4.
INT0
INT1
INT2
I
ST
No External interrupt 0.
I
ST
Yes External interrupt 1.
I
ST
Yes External interrupt 2.
RA0-RA4
RA7-RA10
I/O
ST
No PORTA is a bidirectional I/O port.
I/O
ST
No PORTA is a bidirectional I/O port.
RB0-RB15
I/O
ST
No PORTB is a bidirectional I/O port.
RC0-RC9
I/O
ST
No PORTC is a bidirectional I/O port.
T1CK
T2CK
T3CK
T4CK
T5CK
I
ST
No Timer1 external clock input.
I
ST
Yes Timer2 external clock input.
I
ST
Yes Timer3 external clock input.
I
ST
Yes Timer4 external clock input.
I
ST
Yes Timer5 external clock input.
U1CTS
U1RTS
U1RX
U1TX
I
ST
Yes UART1 clear to send.
O
—
Yes UART1 ready to send.
I
ST
Yes UART1 receive.
O
—
Yes UART1 transmit.
U2CTS
U2RTS
U2RX
U2TX
I
ST
Yes _{UART2 clear to send.}
O
—
Yes _{UART2 ready to send.}
I
ST
Yes UART2 receive.
O
—
Yes _{UART2 transmit.}
SCK1
SDI1
SDO1
SS1
I/O
ST
Yes Synchronous serial clock input/output for SPI1.
I
ST
Yes SPI1 data in.
O
—
Yes SPI1 data out.
I/O
ST
Yes SPI1 slave synchronization or frame pulse I/O.
SCK2
SDI2
SDO2
SS2
I/O
ST
Yes Synchronous serial clock input/output for SPI2.
I
ST
Yes SPI2 data in.
O
—
Yes SPI2 data out.
I/O
ST
Yes SPI2 slave synchronization or frame pulse I/O.
SCL1
SDA1
ASCL1
ASDA1
I/O
ST
No Synchronous serial clock input/output for I2C1.
I/O
ST
No Synchronous serial data input/output for I2C1.
I/O
ST
No Alternate synchronous serial clock input/output for I2C1.
I/O
ST
No Alternate synchronous serial data input/output for I2C1.
Legend: CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
PPS = Peripheral Pin Select
Analog = Analog input
O = Output
TTL = TTL input buffer
P = Power
I = Input
© 2011 Microchip Technology Inc.
DS70291E-page 17