Z32F0641MCU Datasheet, PDF (70/205 Pages) Zilog, Inc. – High Performance low-power Cortex-M3 core

Z32F0641 Product Specification
Port Control Unit
De-bounce
CLK
External
Input
CNT[1:0]
01
1 1 1 01 0
00
11
FF=1 FF=1
FF=1
10
0 0 1 1 0 11 0
FF=1
FF=0
De-bounced
11
1
0
1
Input
Figure 5.5. Debounce Function
When the Debounce function of input data is used by the Debounce Enable Register, the external input data
is captured by the Debounce CLK.
-
If CNT Value is “01”, Debounced Input Data is “1”.
-
If CNT Value is “10”, Debounced Input Data is “0”
The Debounce CLK of each port group can be configured by the DBCLK Registers.
PS034404-0417
PRELIMINARY
67