參數(shù)資料
型號： M32182F3VFP
元件分類： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 64 MHz, RISC MICROCONTROLLER, PQFP144
封裝： 20 X 20 MM, 0.50 MM PITCH, PLASTIC, LQFP-144
文件頁數(shù)： 21/36頁
文件大?。?/td> 292K
代理商： M32182F3VFP
2002-10-11 Rev.1.2
Mitsubishi Microcomputers
32182Group
Under Development
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
28
Input/output Ports
The microcomputer has a total of 97 input/output ports (of
which 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 other internal peripheral I/O or ex-
ternal extended bus signal lines. These pin functions are
selected by using the chip operation mode select or the
input/output port operation mode registers.
Table 8. 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
P22
:
P00–P07
P10–P17
P20–P27
P30–P37
P41–P47
P61–P63
P70–P77
P82–P87
P93–P97
P100–P107
P110–P117
P124–P127
P130–P137
P150, P153
P174, P175
P220, P221,
P224, P225
(8 lines)
(7 lines)
(3 lines)
(8 lines)
(6 lines)
(5 lines)
(8 lines)
(4 lines)
(8 lines)
(2 lines)
(6 lines)
(4 lines)
Port func-
tion
The input/output ports can be set for input or output mode bit wise by using the input/output port direction con-
trol register. (However, P221 is CAN0 input-only port.)
Pin function
Dual-functions shared with peripheral I/O or external extended signals (or multi-functions shared with periph-
eral I/Os which have multiple functions)
Pin function
change
over
P0–4, P224–P227: Changed by setting CPU operation mode (MOD0 and MOD1 pins)
(Note 1)
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 1: When the CPU is operating in external extended mode, P0–P4 and P224, and P225 by default are set for in-
put/output port pins, but have their functions switched for external extended signal pins by setting the Port Operation
Mode Register. When operating in single-chip or processor mode, the pin functions are switched over by setting the
CPU operation mode pins as shown in Table 8.
Table 8. CPU Operation Modes and P0–P4, P224, P225 Pin Functions
MOD0
MOD1
Operation mode
P0–P4, P224, P225 pin function
VSS
Single-chip mode
Input/output port pin
VSS
VCCE
External extended mode
Input/output port pin or External extended signal pin
VCCE
VSS
Processor mode (FP pin = VSS)
External extended signal pin
VCCE
Do not select
-
Note: VCCE and VSS are connected to power supply and GND, respectively.
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