dsPIC30F3014/4013
TABLE 1-1: PINOUT I/O DESCRIPTIONS (CONTINUED)
Pin Name
Pin
Type
Buffer
Type
Description
RA11
I/O
ST
PORTA is a bidirectional I/O port.
RB0-RB12
I/O
ST
PORTB is a bidirectional I/O port.
RC13-RC15
I/O
ST
PORTC is a bidirectional I/O port.
RD0-RD3, RD8, RD9
I/O
ST
PORTD is a bidirectional I/O port.
RF0-RF5
I/O
ST
PORTF is a bidirectional I/O port.
SCK1
SDI1
SDO1
SS1
SCL
SDA
I/O
ST
Synchronous serial clock input/output for SPI1.
I
ST
SPI1 data in.
O
—
SPI1 data out.
I
ST
SPI1 slave synchronization.
I/O
ST
Synchronous serial clock input/output for I2C™.
I/O
ST
Synchronous serial data input/output for I2C.
SOSCO
SOSCI
O
—
32 kHz low-power oscillator crystal output.
I
ST/CMOS 32 kHz low-power oscillator crystal input. ST buffer when
configured in RC mode; CMOS otherwise.
T1CK
T2CK
I
ST
Timer1 external clock input.
I
ST
Timer2 external clock input.
U1RX
U1TX
U1ARX
U1ATX
I
ST
UART1 receive.
O
—
UART1 transmit.
I
ST
UART1 alternate receive.
O
—
UART1 alternate transmit.
VDD
P
—
Positive supply for logic and I/O pins.
VSS
P
—
Ground reference for logic and I/O pins.
VREF+
I
Analog
Analog voltage reference (high) input.
VREF-
I
Analog
Analog voltage reference (low) input.
Legend: CMOS = CMOS compatible input or output
ST = Schmitt Trigger input with CMOS levels
I
= Input
Analog = Analog input
O
= Output
P
= Power
DS70138E-page 12
© 2007 Microchip Technology Inc.