P1Con — Port 1 Control Register: E7H, Bank0 - Samsung S3F84B8 User Manual

8-bit cmos
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S3F84B8_UM_REV 1.00
4.1.26 P1CON — PORT 1 CONTROL REGISTER: E7H, BANK0
Bit Identifier
RESET Value
Read/Write
.7–.6
.5–.4
.3–.2
.1–.0
.7
.6
0
0
R/W
R/W
Not used for S3F84B8.
Port 1, P1.2/CMP1_N Configuration Bits
0
0
Schmitt trigger input
0
1
Schmitt trigger input; enables pull-up.
1
0
Push pull output
1
1
Alternative function: comparator 1 negative input
Port 1, P1.1/CMP0_N/TACAP Configuration Bits
0
0
Schmitt trigger input; TACAP input
0
1
Schmitt trigger input; enables pull-up; TACAP input.
1
0
Push pull output
1
1
Alternative function: comparator 0 negative input
Port 1, P1.0/CMP0_P/TACK Configuration Bits
0
0
Schmitt trigger input; TACK input
0
1
Schmitt trigger input; enables pull-up; TACK input.
1
0
Push pull output
1
1
Alternative function: comparator 0 positive input
.5
.4
0
0
R/W
R/W
R/W
4-26
4 CONTROL REGISTERS
.3
.2
.1
0
0
0
R/W
R/W
.0
0
R/W

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