Rev. 1.40
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Rev. 1.40
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BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
BS67F340/BS67F350/BS67F360/BS67F370
Enhanced Touch A/D Flash MCU with LCD Driver
KEY 1
Key
OSC
KEY 2
Key
OSC
KEY 3
Key
OSC
KEY 4
Key
OSC
TKRCOV
Multi-
f�equen�y
MnDFEN
TKMn16DH / TKMn16DL
( to Data Me�o�y Se�to� �)
TKCFOV
TK16DL / TK16DH
Mux .
Module 0
TKTMR
Refe�en�e Os�illato�
TKMnROH / TKMnROL
( f�o� Data Me�o�y Se�to� �)
Filte�
Module n
16-bit C/F Counter
Filte�
f
SYS
/4
M
U
X
MnTSS
TKMnC�
8-�it Ti�e Slot Counte�
�-�it unit pe�iod �ounte�
8-�it Ti�e Slot Counte�
P�eload Registe�
TKTMR
Ove�flow
1�-�it Counte�
TK1�OV
M
U
X
TK1�S1~
TK1�S0
f
SYS
/4
f
SYS
/2
f
SYS
f
SYS
/8
16-bit C/F Counter
Value
(Se�to� �)
Tou�h Key
Data Me�o�y
Refe�en�e Os�.
Capa�ito� Value
(Se�to� �)
Note: The structure contained in the dash line is identical for each touch key module which contains four touch
keys.
Touch Key Function Block Diagram