M30221 Просмотр технического описания (PDF) - Renesas Electronics

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M30221

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Renesas Electronics 

Programmable I/O Port

Mitsubishi microcomputers

M30221 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

P00 to P07, P120 to P125

Direction register

“1”

“1”

Data bus

Timer A

overflow

Port latch

Segment output

DQ

CK

LCD drive timing

VL3/VCC VL2/VCC VL3/VCC

Interface logic

level shift circuit

Port/segment

Port ON/OFF

VL1/VSS

P10 to P17, P20 to P27

Data bus

Timer A

overflow

Intermittent pull-up control

Pull-up selection

Direction register

Port latch

“1”

DQ

CK

P30 to P33, P41, P47, P50 to P53, P56,

P62, P74 to P76, P81

Pull-up selected

Direction register

QD

CK

Intermittent pull-up control

Data bus

Port latch

P34, P35

Pull-up selection

Direction register

Data bus

Port latch

Figure 1.19.1. Programmable I/O ports (1)

19

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