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M32171F4VFP Datasheet(Fiches technique) 18 Page - Mitsubishi Electric Semiconductor

Numéro de pièce M32171F4VFP
Description  SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER    
Télécharger  37 Pages
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Fabricant  MITSUBISHI [Mitsubishi Electric Semiconductor]
Site Internet  http://www.mitsubishichips.com
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Mitsubishi Microcomputers
18
2001-5-14 Rev.1.0
SINGLE-CHIP 32-BIT CMOS MICROCOMPUTER
32171 Group
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
:
P00 - P07
(8 lines)
P1
:
P10 - P17
(8 lines)
P2
:
P20 - P27
(8 lines)
P3
:
P30 - P37
(8 lines)
P4
:
P41 - P47
(7 lines)
P6
:
P61 - P64
(4 lines)
P7
:
P70 - P77
(8 lines)
P8
:
P82 - P87
(6 lines)
P9
:
P93 - P97
(5 lines)
P10
:
P100 - P107
(8 lines)
P11
:
P110 - P117
(8 lines)
P12
:
P124 - P127
(4 lines)
P13
:
P130 - P137
(8 lines)
P15
:
P150, P153
(2 lines)
P17
:
P174, P175
(2 lines)
P22
:
P220, P221, P225 (3 lines)
Port function
The input/output ports can be set for input or output mode bitwise by using the input/output port
___
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
P0 - P4 : Changed by setting CPU operation mode (MOD0 and MOD1 pins)
changeover
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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