PIC24HJ12GP201 Datasheet, PDF (11/234 Pages) Microchip Technology – High-Performance, 16-Bit Microcontrollers

PIC24HJ12GP201/202
TABLE 1-1: PINOUT I/O DESCRIPTIONS
Pin Name
Pin Type
Buffer
Type
Description
AN0-AN9
I
Analog Analog input channels.
CLKI
CLKO
I
ST/CMOS External clock source input. Always associated with OSC1 pin function.
O
— Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator
mode. Optionally functions as CLKO in RC and EC modes. Always
associated with OSC2 pin function.
OSC1
OSC2
I
ST/CMOS Oscillator crystal input. ST buffer when configured in RC mode; CMOS
I/O
— otherwise.
Oscillator crystal output. Connects to crystal or resonator in Crystal Oscillator
mode. Optionally functions as CLKO in RC and EC modes.
SOSCI
SOSCO
I
ST/CMOS 32.768 kHz low-power oscillator crystal input; CMOS otherwise.
O
— 32.768 kHz low-power oscillator crystal output.
CN0-CN7
I
CN11-CN15
CN21-CN24
CN27
CN29-CN30
ST Change notification inputs.
Can be software programmed for internal weak pull-ups on all inputs.
IC0-IC1
IC7-IC8
I
ST Capture inputs 1/2
Capture inputs 7/8
OCFA
OC1-OC2
I
ST Compare Fault A input (for Compare Channels 1 and 2).
O
— Compare outputs 1 through 2.
INT0
INT1
INT2
I
ST External interrupt 0.
I
ST External interrupt 1.
I
ST External interrupt 2.
RA0-RA4
I/O
ST PORTA is a bidirectional I/O port.
RB0-RB15
I/O
ST PORTB is a bidirectional I/O port.
T1CK
T2CK
T3CK
I
ST Timer1 external clock input.
I
ST Timer2 external clock input.
I
ST Timer3 external clock input.
U1CTS
U1RTS
U1RX
U1TX
I
ST UART1 clear to send.
O
— UART1 ready to send.
I
ST UART1 receive.
O
— UART1 transmit.
SCK1
SDI1
SDO1
SS1
I/O
ST Synchronous serial clock input/output for SPI1.
I
ST SPI1 data in.
O
— SPI1 data out.
I/O
ST SPI1 slave synchronization or frame pulse I/O.
SCL1
SDA1
ASCL1
ASDA1
I/O
ST Synchronous serial clock input/output for I2C1.
I/O
ST Synchronous serial data input/output for I2C1.
I/O
ST Alternate synchronous serial clock input/output for I2C1.
I/O
ST Alternate synchronous serial data input/output for I2C1.
TMS
TCK
TDI
TDO
I
ST JTAG Test mode select pin.
I
ST JTAG test clock input pin.
I
ST JTAG test data input pin.
O
— JTAG test data output pin.
PGD1/EMUD1 I/O
PGC1/EMUC1
I
PGD2/EMUD2 I/O
PGC2/EMUC2
I
PGD3/EMUD3 I/O
PGC3/EMUC3
I
ST Data I/O pin for programming/debugging communication channel 1.
ST Clock input pin for programming/debugging communication channel 1.
ST Data I/O pin for programming/debugging communication channel 2.
ST Clock input pin for programming/debugging communication channel 2.
ST Data I/O pin for programming/debugging communication channel 3.
ST Clock input pin for programming/debugging communication channel 3.
Legend: CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
Analog = Analog input
O = Output
P = Power
I = Input
© 2007 Microchip Technology Inc.
Preliminary
DS70282B-page 9