Samsung S3C84E5 user manual P4CONH Port 4 Control Register High Byte F0H Set 1, Bank, P4.5, P4.4

Models: S3C84E5

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CONTROL REGISTERSS3C84E5/C84E9/P84E9

P4CONH — Port 4 Control Register (High Byte)

F0H Set 1, Bank 0

Bit Identifier

Reset Value

Read/Write Addressing Mode

.7–.4

.3–.2

.1–.0

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

0

0

0

0

0

0

0

0

R/W

R/W

R/W

R/W

Register addressing mode only

Not used for the S3C84E5/C84E9/P84E9 (must keep always 0)

P4.5

0

0 Input mode with pull-up

01 Input mode

1X Push-pull output mode

P4.4

0

0 Input mode with pull-up

01 Input mode

1X Push-pull output mode

4-24

Page 93
Image 93
Samsung S3C84E5 P4CONH Port 4 Control Register High Byte F0H Set 1, Bank, P4.5, Input mode Push-pull output mode, P4.4