參數(shù)資料
型號(hào)： M32174F4VWG
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(yè)數(shù)： 25/49頁(yè)
文件大小： 561K
代理商： M32174F4VWG
Mitsubishi Microcomputers
25
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
2001-5-14 Rev.1.0
32170 Group, 32174 Group
Input/output Ports
The microcomputer has a total of 157 input/output ports
P0-P22. (However, P5 is reserved for future use.) The input/
output ports can be used as input ports or output ports by
setting up their direction registers.
Each input/output port is a dual-function pin shared with
Table 14 Outline of Input/output Ports
Item
Specification
Number of Port
Total 157 ports
P0
P1
P2
P3
P4
P6
P7
P8
P9
P10
P11
P12
P13
P14
P15
P16
P17
P18
P19
P20
P21
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
:
P00 - P07
P10 - P17
P20 - P27
P30 - P37
P41 - P47
P61 - P67
P70 - P77
P82 - P87
P93 - P97
P100 - P107
P110 - P117
P124 - P127
P130 - P137
P140 - P147
P150 - P157
P160 - P167
P172 - P177
P180 - P187
P190 - P197
P200 - P203
P210 - P217
(8 lines)
(8 lines)
(8 lines)
(8 lines)
(7 lines)
(7 lines)
(8 lines)
(6 lines)
(5 lines)
(8 lines)
(8 lines)
(4 lines)
(8 lines)
(8 lines)
(8 lines)
(8 lines)
(6 lines)
(8 lines)
(8 lines)
(4 lines)
(8 lines)
P22
:
P220 - P225
(6 lines)
Port function
The input/output ports can be set for input or o___
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
P0-4, P225, P225 : 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.)
Table 15 CPU Operation Modes and P0-P4, P224, and P225 Pin Functions
MOD0
MOD1
Operation mode
Pin functions of P0-P4, P224, P225
VSS
VSS
Single-chip mode
nput/output port pin
VSS
VCCE
External extended mode
VCCE
VSS
Processor mode (FP pin = VSS)
VCCE
VCC
Reserved (use inhibited)
–
Note: VCC and VSS are connected to +5 V and GND, respectively.
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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