參數資料
型號： μPD78F9177Y
廠商： NEC Corp.
英文描述： 8 Bit Single Chip Microcontrollers(8 位單片微控制器)
中文描述： 8位單片機微控制器（8位單片微控制器）
文件頁數： 53/150頁
文件大?。?/td> 653K
代理商： ΜPD78F9177Y
Preliminary Product Information
51
μ
PD78F9177Y
6.5
Clock Timer
6.5.1
Clock timer functions
The clock timer has the following functions.
Clock timer
Interval timer
The clock and interval timers can be used at the same time.
Figure 6-23 is a block diagram of the clock timer.
Figure 6-23. Block Diagram of Clock Timer
f
X
/2
7
f
XT
f
W
f
W
2
4
f
W
2
5
f
W
2
6
f
W
2
7
f
W
2
8
f
W
2
9
Clear
9-bit prescaler
S
Clear
5-bit counter
INTWT
INTWTI
WTM7 WTM6 WTM5 WTM4 WTM1 WTM0
Clock timer mode
control register (WTM)
Internal bus
S
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