M37225M8 Просмотр технического описания (PDF) - Renesas Electronics

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M37225M8

SNGLE-CHIP 8-BIT CMOS MICROCOMPUTER for VOLTAGE SYNTHESIZER with ON-SCREEN DISPLAY CONTROLLER

Renesas Electronics 

M37225M6/M8/MA/MC-XXXSP, M37225ECSP

Ports P00–P05

Data bus

Direction register

Port latch

Ports P1, P2, P30, P31

Direction register

Data bus

Port latch

Ports P06, P07, P32

Data bus

Direction register

Port latch

Fig. 7.1 I/O Pin Block Diagram (1)

Rev.1.00 Nov 01, 2000 page 9 of 124

REJ03B0136-0100Z

N-channel open-drain output

Ports P00–P05

Note : Each port is also used as follows :

P00–P05 : PWM0–PWM5

CMOS output

Ports P1, P2, P30, P31, P35

Notes 1: Each port is also used as follows :

P10 : OUT2/AD8 P22 : SIN

P11 : SCL1

P23 : TIM3

P12 : SCL2

P24 : TIM2

P13 : SDA1

P30 : A-D5

P14 : SDA2

P31 : A-D6

P15 : INT3/A-D1 P35 : DA1

P16 : A-D2

P17 : DA2/A-D3

P20 : SCLK

P21 : SOUT/(SIN)

2: Either CMOS output or N-channel open-

drain output structure can be selected as

ports P30, P31 and P35 (when selecting

N-channel open-drain, it is the same with

N-channel open-drain output below).

N-channel open-drain output

Ports P06, P07, P32

Note : Each port is also used as follows :

P06 : INT2/A-D4

P07 : INT1

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