Samsung S3C8275X - Manual (Page 75)

S3C8275X/F8275X/C8278X/F8278X/C8274X/F8274X CONTROL REGISTER
4-5
BLDCON
— Battery Level Detector Control Register F4H Set 1, Bank 1
Bit Identifier .7 .6 .5 .4 .3 .2 .1 .0
Reset Value – – 0 0 0 0 0 0
Read/Write – – R/W R R/W R/W R/W R/W
Addressing Mode Register addressing mode only
.7–.6 Not used for the S3C8275X/C8278X/C8274X
.5 V
IN
Source Bit
0 Internal source
1 External source
.4 Battery Level Detector Output Bit
0 V
IN
> V
REF
(when BLD is enabled)
1 V
IN
< V
REF
(when BLD is enabled)
.3 Battery Level Detector Enable/Disable Bit
0 Disable BLD
1 Enable BLD
.2–.0 Detection Voltage Selection Bits
0 0 0 V
BLD
= 2.2V
1 0 1 V
BLD
= 2.4V
0 1 1 V
BLD
= 2.8V
Other values Not available