Datasheet

© 2010 Microchip Technology Inc. DS70135G-page 15
dsPIC30F4011/4012
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.
PGD
PGC
I/O
I
ST
ST
In-Circuit Serial Programming™ data input/output pin.
In-Circuit Serial Programming clock input pin.
RB0-RB5 I/O ST PORTB is a bidirectional I/O port.
RC13-RC15 I/O ST PORTC is a bidirectional I/O port.
RD0-RD1 I/O ST PORTD is a bidirectional I/O port.
RE0-RE5,
RE8
I/O ST PORTE is a bidirectional I/O port.
RF2-RF3 I/O ST PORTF is a bidirectional I/O port.
SCK1
SDI1
SDO1
SS1
I/O
I
O
I/O
ST
ST
—
ST
Synchronous serial clock input/output for SPI1.
SPI1 Data In.
SPI1 Data Out.
SPI1 Slave Synchronization
SCL
SDA
I/O
I/O
ST
ST
Synchronous serial clock input/output for I
2
C™.
Synchronous serial data input/output for I
2
C.
SOSCO
SOSCI
O
I
—
ST/CMOS
32 kHz low-power oscillator crystal output.
32 kHz low-power oscillator crystal input. ST buffer when configured in RC
mode; CMOS otherwise.
T1CK
T2CK
I
I
ST
ST
Timer1 external clock input.
Timer2 external clock input.
U1RX
U1TX
U1ARX
U1ATX
I
O
I
O
ST
—
ST
—
UART1 receive.
UART1 transmit.
UART1 alternate receive.
UART1 alternate transmit.
V
DD P — Positive supply for logic and I/O pins.
VSS P — Ground reference for logic and I/O pins.
V
REF+ I Analog Analog voltage reference (high) input.
V
REF- I Analog Analog voltage reference (low) input.
TABLE 1-2: dsPIC30F4012 I/O PIN DESCRIPTIONS (CONTINUED)
Pin Name
Pin
Type
Buffer
Type
Description
Legend: CMOS = CMOS compatible input or output Analog = Analog input
ST = Schmitt Trigger input with CMOS levels O = Output
I = Input P = Power