參數(shù)資料
型號: HD404339FS
廠商: Hitachi,Ltd.
英文描述: 4-bit HMCS400-Series microcomputer with large-capacity memory
中文描述: 4位HMCS400系列的大容量存儲器微機(jī)
文件頁數(shù): 36/78頁
文件大小: 337K
代理商: HD404339FS
HD404339 Series
36
Prescaler
The MCU has two built-in prescalers, S and W (PSS, PSW). They divide the system clock and subsystem
clock, and output these divided clocks to the peripheral function modules, as shown in figure 26.
Subsystem
clock
Prescaler W
Timer A
Timer B
Timer C
Serial
System
clock
Prescaler S
Clock
selector
f
X
/8
f
X
/4 or f
X
/8
Figure 26 Prescaler Output Supply
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