I/O PORTS

S3C84E5/C84E9/P84E9

 

 

Port 1 Control Register, Low Byte (P1CONL)

E9H, Set1, Bank0, R/W, Reset value="00H"

MSB

.7

.6

.5

.4

.3

.2

.1

.0

 

 

 

 

 

 

 

 

 

[.7-.6] P1.3/BZOUT Configuration Bits

00 = Input mode with pull-up

01 = Input mode

10 = Push-pull output mode

1 1 = Alternative function mode: BZOUT output

[.5-.4] P1.2/T1OUT0 Configuration Bits

00 = Input mode with pull-up

01 = Input mode

10 = Push-pull output mode

1 1 = Alternative function mode: T1OUT0 output

[.3-.2] P1.1/T1CK0 Configuration Bits

00 = Input mode with pull-up; T1CK0 input

01 = Input mode; T1CK0 input

1X = Push-pull output mode

[.1-.0] P1.0/TAOUT Configuration Bits

00 = Input mode with pull-up

01 = Input mode

10 = Push-pull output mode

1 1 = Alternative function mode: TAOUT output

LSB

Figure 9-4. Port 1 Low-Byte Control Register (P1CONL)

9-6

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Image 230
Samsung S3C84E5 user manual P1.3/BZOUT Configuration Bits, P1.2/T1OUT0 Configuration Bits, P1.1/T1CK0 Configuration Bits