MB95F613K datasheet(61/110 Pages) CYPRESS

61 / 110 page

Document Number: 002-04698 Rev. *A

Page 61 of 110

PRELIMINARY

MB95610H Series

■ Block diagram of P90/V4, P91/V3, P92/V2, P93/V1 and P94/V0

15.6.3 Port 9 registers

■ Port 9 register functions

■ Correspondence between registers and pins for port 9

abbreviation

Data

Read

Read by read-modify-write

(RMW) instruction

Write

PDR9

Pin state is “L” level.

PDR9 value is “0”.

As output port, outputs “L” level.

Pin state is “H” level.

PDR9 value is “1”.

As output port, outputs “H” level.

DDR9

Port input enabled

Port output enabled

Correspondence between related register bits and pins

Pin name

P94

P93

P92

P91

P90

PDR9

bit4

bit3

bit2

bit1

bit0

DDR9

PDR9

PDR9 read

PDR9 write

Executing bit manipulation instruction

DDR9 read

DDR9 write

DDR9

Stop mode, watch mode (SPL = 1)

LCD power supply

LCD power supply enable

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