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NUC970 Technical Reference Manual
Publication Release Date: Dec. 15, 2015
- 1232 -
Revision V1.30
NUC97
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5.33.3 Block Diagram
Clock
Dvide
xCLOCK
xCLOCK
Prescalar
ROW
Counter
ROW
Generation
5 : 3
Encoder
Row/Column
Buffer & Control
&
Three_Keys
Buffers
Low Power
Wakeup
Comparator
Wakeup
Register
Comparator
DBT[7:0]
Debounce
Counter
Status
Register
&
&
KPI_INT
KPI_INT
KPI_RS
KPI_RS
EN3KY
EN3KY
ENRST
ENRST
KPI_ROW
KPI_ROW
KP_COL
KP_COL
KP_WAKEUP
KP_WAKEUP
GPIO_SW_DIV
XIN
XIN
Figure 5.33-1 Keypad Controller Block Diagram