
2010 Microchip Technology Inc.
DS70139G-page 17
dsPIC30F2011/2012/3012/3013
SCL
SDA
I/O
ST
Synchronous serial clock input/output for I2C.
Synchronous serial data input/output for I2C.
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
ST
Timer1 external clock input.
Timer2 external clock input.
U1RX
U1TX
U1ARX
U1ATX
U2RX
U2TX
I
O
I
O
I
O
ST
—
ST
—
ST
—
UART1 Receive.
UART1 Transmit.
UART1 Alternate Receive.
UART1 Alternate Transmit.
UART2 Receive.
UART2 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.
TABLE 1-1:
PINOUT I/O 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