Holtek BS82B12A-3 - Page 105

Rev. 1.20 104 January 23, 2015 Rev. 1.20 105 January 23, 2015
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
BS82B12A-3/BS82C16A-3/BS82D20A-3
Touch Key 8-Bit Flash MCU with LED/LCD Driver
KEY 1
KEY 2
KEY 3
KEY 4
KEY
OSC
KEY
OSC
KEY
OSC
KEY
OSC
MUX. Filter Overflow
16-bit counter
Overflow
f
SYS
,f
SYS
/2,f
SYS
/4,f
SYS
/8
TK16S1~TK16S0
5-bit time slot
counter
Overflow
8-bit time slot
timer counter
üüü
MUX.
f
SYS
/4
MnTSS
8-bit time slot timer counter
preload register
Overflow
Multi-
frequency
16-bit C/F
counter
Note:1.Eachtouchkeymodulecontainsthecontentinthereddashline.
2.Thecontentintheblackdashlineisthemodulenumber(0~n).Eachmodulecontains4touchkeys.
Touch Key Module Block Diagram