Samsung S3C8275X - P1 CONH Port 1 Control Register (High Byte)

S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X CONTROL REGISTER
4-25
P1CONH — Port 1 Control Register (High Byte) E7H Set 1, Bank 0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value
0 0 0 0 0 0 0 0
Read/Write
R/W R/W R/W R/W R/W R/W R/W R/W
Addressing Mode
Register addressing mode only
.7–.6 P1.7/INT7 Configuration Bits
0 0 Schmitt trigger input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Not used for the S3C8275X/C8278X/C8274X
.5–.4 P1.6/INT6 Configuration Bits
0 0 Schmitt trigger input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Not used for the S3C8275X/C8278X/C8274X
.3–.2 P1.5/INT5 Configuration Bits
0 0 Schmitt trigger input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Not used for the S3C8275X/C8278X/C8274X
.1–.0 P1.4/INT4 Configuration Bits
0 0 Schmitt trigger input mode
0 1 N-channel open-drain output mode
1 0 Push-pull output mode
1 1 Not used for the S3C8275X/C8278X/C8274X