Under
development
Preliminary Specifications REV.B3
Specifications in this manual are tentative and subject to change.
Mitsubishi Microcomputers
M32C/83 group
SINGLE-CHIP 16/32-BIT CMOS MICROCOMPUTER
Description
16
Table 1.1.11. Pin description (3/4)
Function
I/O port
UART port
Description
I/O
O
I/O
I
I/O type
P80-P84, P86, P87
INPC/ISRxD/BEIN
Pin name
P8
P9
Port
I/O port
Intelligent I/O port
P90 to P97
This is a 7-bit I/O port equivalent to P0.
P90 to P93 are I/O ports for UART3.
P94 to P97 are I/O ports for UART4.
I
This is an 8-bit I/O port equivalent to P0.
I/O
INPC is an input port for time measurement function.
ISRxD/BEIN is receive data input port for intelligent I/O
communication.
CTS/RTS/SS
CLK
RxD/SCL/STxD
TxD/SDA/SRxD
Timer A port
Three phase motor
control output port
P80 to P81 are I/O ports for timer A4.
P80 and P81 are U phase output ports.
O
I
TA4OUT
TA4IN
External interrupt input
port
P82 to P84 are external interrupt input ports.
I
INT0 to INT2
Input port
P85/NMI
Input port and input ports for NMI interrupt.
I
TB0IN to TB4IN
Timer B port
P90 to P94 are input port for timer B4.
O
DA0, DA1
D-A output port
P93 and P94 are D-A output ports.
I
ANEX1, ANEX2
ADTRG
A-D related port
P95 to P96 are expanded input port for A-D converter.
P97 is A-D trigger input port.
Intelligent I/O port
OUTC is an output port for waveform generation function.
IEOUT is transmit data output port for intelligent I/O
communication.
IEIN is receive data input port for intelligent I/O
communication.
OUTC/IEOUT
IEIN
Key input interrupt port
I
I/O
I
KI0 to KI3
AN0 to AN7
P10 I/O port
Analog input port
P100 to P107
This is an 8-bit I/O port equivalent to P0.
P104 to P107 are key input interrupt ports.
P100 to P107 are analog input ports for A-D convertor.
The protect register prevents a false write to P9 direction register and function select register A3.
U, U
I/O
I
I/O
XCIN
XCOUT
P86 and P87 function as I/O ports for the sub clock
generating circuit by software. Connect a crystal between
the XCIN and the XCOUT pins.
I
O
Sub clock input
Sub clock output
VCOUT
When using PLL frequency synthesizer, connect P87 to a
low-pass filter. To stabilize PLL frequency, connect P86 to
Vss.
O
Low-pass filter connect
pin for PLL frequency
synthesizer