參數(shù)資料
型號： M32171F3VFP
廠商： Mitsubishi Electric Corporation
英文描述： SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
中文描述： 單芯片32位CMOS微機(jī)
文件頁數(shù)： 18/37頁
文件大?。?/td> 375K
代理商： M32171F3VFP
Mitsubishi Microcomputers
32171 Group
18
2001-5-14 Rev.1.0
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
Input/output Ports
The microcomputer has a total of 97 input/output ports
P0-P22. (However, P5 is reserved for future use, P14, P16,
and P18-P21 do not exist.) The input/output ports can be
used as input ports or output ports by setting uptheir direction
registers.
Table 9 Outline of Input/output Ports
Item
Specification
Number of Port
Total 97 ports
P0
P1
P2
P3
P4
P6
P7
P8
P9
P10
P11
P12
P13
P15
P17
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
P00 - P07
P10 - P17
P20 - P27
P30 - P37
P41 - P47
P61 - P64
P70 - P77
P82 - P87
P93 - P97
P100 - P107
P110 - P117
P124 - P127
P130 - P137
P150, P153
P174, P175
(8 lines)
(8 lines)
(8 lines)
(8 lines)
(7 lines)
(4 lines)
(8 lines)
(6 lines)
(5 lines)
(8 lines)
(8 lines)
(4 lines)
(8 lines)
(2 lines)
(2 lines)
P22
:
P220, P221, P225 (3 lines)
Port function
The input/output ports can be set for input or ou___
direction control register. (However, P64 is an SBI input-only port, and P221 is CAN input-only port.)
Pin function
Dual-functions shared with peripheral I/O or external extended signals (or multi-functions shared with
peripheral I/Os which have multiple functions.)
Pin function
changeover
P0 - P4: Changed by setting CPU operation mode (MOD0 and MOD1 pins)
P6 - 22 : Changed by setting the input/output port operation mode register.
(However, peripheral I/O pin functions are selected using the peripheral I/O register.)
Note: Input/output ports P14, P16, and P18-P21 do not exist.
Table 10 CPU Operation Modes and P0-P4 Pin Functions
MOD0
MOD1
Operation mode
Pin functions of P0-P4
VSS
VSS
Single-chip mode
Input/output port pin
VSS
VCCE
External extended mode
VCCE
VSS
Processor mode (FP pin = VSS)
VCCE
VCCE
Reserved (use inhibited)
–
Note: VCCE connects to +5V or +3.3V, and VSS connects to GND.
Each input/output port is a dual-function pin shared with
otherinternal peripheral I/O or external extended bus signal
lines. These pin functions are selected by using the chip op-
eration mode select or the input/output port operation mode
registers. These input/output ports are interfaced using a
dedicated power supply to allow for connections to the pe-
ripheral circuits operating with 5V or 3.3V.
External extended signal pin
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