Samsung S3F84B8 User Manual page 226

S3F84B8_UM_REV 1.00
Port 1 Control Register (P1CON)
E7H, Set1, Bank0, R/W, Reset value:00H
MSB .7 .6 .5
Not used P1.2
/CMP1_N
.5 .4 bit/P1.2/CMP1_N
00 Input mode
Input mode with pull up resistor
01
10 Push-pull output
11 Alternative function: CMP1 negative input
.3 .2 bit/P1.1/CMP0_N_TACAP
00 Input mode/TACAP input
01 Input mode with pull-up/TACAP input
10 Push-pull output
11 Alternative function: CMP0 negative input
.1 .0 bit/P1.0/CMP0_P
00 Input mode/TACK input
01 Input mode with pull-up/TACK input
10 Push-pull output
11 Alternative function: CMP0 positive input
Figure 9-5
.4 .3 .2 .1
P1.1
/CMP0_N
/TACAP
Port 1 Control Register (P1CON)
9-8
.0 LSB
P1.0
/CMP0_P
/TACK
9 I/O PORTS