Port 0 High-Byte Control Register (P0Conh); Port 0 Low-Byte Control Register (P0Conl) - Samsung S3C8275X User Manual

I/O PORTS
9-4
Port 0 Control Register, High Byte (P0CONH)
E4H, Set 1, Bank 0, R/W
MSB .7 .6 .5
P0.7/BUZ
P0.6/CLKOUT
P0CONH bit-pair pin configuration settings:
00 Schmitt trigger input mode
01 N-channel open-drain output mode
10 Push-pull output mode
11 Alternative function
(BUZ, CLKOUT, TBOUT, TAOUT)
Figure 9-2. Port 0 High-Byte Control Register (P0CONH)
Port 0 Control Register, Low Byte (P0CONL)
E5H, Set 1, Bank 0, R/W
MSB .7 .6 .5
P0.3/T1CLK P0.2/INT2
P0CONL bit-pair pin configuration settings:
00 Schmitt trigger input mode (T1CLK)
01 N-channel open-drain output mode
10 Push-pull output mode
11 Not available
Figure 9-3. Port 0 Low-Byte Control Register (P0CONL)
S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X
.4 .3 .2 .1
P0.5/TBOUT
P0.4/TAOUT
.4 .3 .2 .1
P0.1/INT1 P0.0/INT0
.0 LSB
.0 LSB