S3C8245/P8245/C8249/P8249 CONTROL REGISTER
4-15
LCON LCD Control Register D0HSet 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
nRESET Value 00000000
Read/Write R/W R/W R/W R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7LCD Output Segment and Pin Configuration Bits
0P5.4–P5.7 I/O is selected
1SEG28–SEG31 is selected, P5.4–P5.7 I/O is disabled
.6LCD Output Segment and Pin Configuration Bits
0P5.0–P5.3 I/O is selected
1SEG24–SEG27 is selected, P5.0–P5.3 I/O is disabled
.5LCD Output Segment and Pin Configuration Bits
0P4.4–P4.7 I/O is selected
1SEG20–EG23 is selected, P4.4–P4.7 I/O is disabled
.4LCD Output Segment and Pin Configuration Bits
0P4.0–P4.3 I/O is selected
1SEG16–SEG19 is selected, P4.0–P4.3 I/O is disabled
.3Not used for the S3C8245/C8249
.2LCD Bias Voltage Selection Bit
0Enable LCD initial circuit (internal bias voltage)
1Disable LCD initial circuit for external LCD driving resister (external bias voltage)
.1Voltage Booster Enable/disable Bit
0Stop voltage booster (Clock stop and cut off current charge path)
1Run voltage booster (Clock run current and turn on charge path)
.0LCD Display Control Bit
0LCD output low; turn display off, COM and SEG output low cut off voltage booster
(Booster clock disable)