Datasheet
2009-2012 Microchip Technology Inc. DS70591E-page 19
dsPIC33FJ32GS406/606/608/610 and dsPIC33FJ64GS406/606/608/610
TABLE 1-1: PINOUT I/O DESCRIPTIONS
Pin Name
Pin
Type
Buffer
Type
Description
AN0-AN23 I Analog Analog input channels.
CLKI
CLKO
I
O
ST/CMOS
—
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.
Always associated with OSC2 pin function.
OSC1
OSC2
I
I/O
ST/CMOS
—
Oscillator crystal input. ST buffer when configured in RC mode; CMOS
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
O
ST/CMOS
—
32.768 kHz low-power oscillator crystal input; CMOS otherwise.
32.768 kHz low-power oscillator crystal output.
CN0-CN23 I ST Change Notification inputs. Can be software programmed for internal
weak pull-ups on all inputs.
C1RX
C1TX
I
O
ST
—
ECAN1 bus receive pin.
ECAN1 bus transmit pin.
IC1-IC4 I ST Capture Inputs 1 through 4.
INDX1, INDX2, AINDX1
QEA1, QEA2, AQEA1
QEB1, QEB2, AQEB1
UPDN1
I
I
I
O
ST
ST
ST
CMOS
Quadrature Encoder Index Pulse input.
Quadrature Encoder Phase A input in QEI mode.
Auxiliary Timer External Clock/Gate input in Timer mode.
Quadrature Encoder Phase A input in QEI mode.
Auxiliary Timer External Clock/Gate input in Timer mode.
Position Up/Down Counter Direction State.
OCFA
OC1-OC4
I
O
ST
—
Compare Fault A input (for Compare Channels 1 and 2).
Compare Outputs 1 through 4.
INT0
INT1
INT2
INT3
INT4
I
I
I
I
I
ST
ST
ST
ST
ST
External Interrupt 0.
External Interrupt 1.
External Interrupt 2.
External Interrupt 3.
External Interrupt 4.
RA0-RA15 I/O ST PORTA is a bidirectional I/O port.
RB0-RB15 I/O ST PORTB is a bidirectional I/O port.
RC0-RC15 I/O ST PORTC is a bidirectional I/O port.
RD0-RD15 I/O ST PORTD is a bidirectional I/O port.
RE0-RE9 I/O ST PORTE is a bidirectional I/O port.
RF0-RF13 I/O ST PORTF is a bidirectional I/O port.
RG0-RG15 I/O ST PORTG is a bidirectional I/O port.
T1CK
T2CK
T3CK
T4CK
T5CK
I
I
I
I
I
ST
ST
ST
ST
ST
Timer1 external clock input.
Timer2 external clock input.
Timer3 external clock input.
Timer4 external clock input.
Timer5 external clock input.
Legend: CMOS = CMOS compatible input or output Analog = Analog input I = Input
ST = Schmitt Trigger input with CMOS levels P = Power O = Output
TTL = Transistor-Transistor Logic