Samsung C8249 Microscope & Magnifier User Manual


 
S3C8245/P8245/C8249/P8249 CONTROL REGISTER
4-25
P1CONL — Port 1 Control Register (Low Byte) E5H Set 1, Bank 0
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
nRESET 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 P1.3
0 0 Input mode
0 1 Output mode, open-drain
1 0 Alternative function (push-pull output mode)
1 1 Output mode, push-pull
.5–.4 P1.2/T1OUT/T1PWM
0 0 Input mode
0 1 Output mode, open-drain
1 0 Alternative function (T1OUT, T1PWM)
1 1 Output mode, push-pull
.3–.2 P1.1/T1CLK
0 0 Input mode (T1CLK)
0 1 Output mode, open-drain
1 0 Alternative function (push-pull output mode)
1 1 Output mode, push-pull
.1–.0 P1.0/T1CAP
0 0 Input mode (T1CAP)
0 1 Output mode, open-drain
1 0 Alternative function (push-pull output mode)
1 1 Output mode, push-pull