1
1-14
Ver.0.10
Table 1.3.1 Description of the 32170 Pin Function (3/6)
Type
Pin Name Signal Name
Input/Output
Function
A-D
VREF0,
Reference
Input
VREF0 is the reference voltage input pin for the A-D0 converter.
converter
VREF1
voltage input
VREF1 is the reference voltage input pin for the A-D1 converter.
ADTRG
Conversion
Input
Hardware trigger input pin to start A-D conversion.
trigger
Interrupt
___
System break
Input
System break interrupt (SBI) input pin for the interrupt
controller
interrupt
controller
Serial I/O SCLKI0 /
UART transmit/
Input/output
When channel 0 is in UART mode:
This pin outputs a clock derived from BRG output by halving it
.
SCLKO0
receive clock
output
or
CSIO
transmit/receive
When channel 0 is in CSIO mode:
clock input/output
This pin accepts as its input a transmit/receive clock when external clock
source is selected or outputs a transmit/receive clock when internal clock
source is selected.
SCLKI1 /
UART transmit/
Input/output
When channel 1 is in UART mode:
This pin outputs a clock derived from BRG output by halving it
.
SCLKO1
receive clock
output
or
CSIO
transmit/receive
When channel 1 is in CSIO mode:
clock input/output
This pin accepts as its input a transmit/receive clock when external clock
source is selected or outputs a transmit/receive clock when internal clock
source is selected.
SCLKI4 /
UART transmit/
Input/output
When channel 4 is in UART mode:
This pin outputs a clock derived from BRG output by halving it
.
SCLKO4
receive clock
output
or
CSIO
transmit/receive
When channel 4 is in CSIO mode:
clock input/output
This pin accepts as its input a transmit/receive clock when external clock
source is selected or outputs a transmit/receive clock when internal clock
source is selected.
SCLKI5 /
UART transmit/
Input/output
When channel 5 is in UART mode:
This pin outputs a clock derived from BRG output by halving it
.
SCLKO5
receive clock
output
or
CSIO
transmit/receive
When channel 5 is in CSIO mode:
clock input/output
This pin accepts as its input a transmit/receive clock when external clock
source is selected or outputs a transmit/receive clock when internal clock
source is selected.
TXD0
Transmit data
output
Transmit data output pin for serial I/O channel 0
RXD0
Receive data
Input
Receive data input pin for serial I/O channel 0
OVERVIEW
1.3 Pin Function