參數(shù)資料
型號: M30201M4-114FP
廠商: Mitsubishi Electric Corporation
英文描述: SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
中文描述: 單片16位CMOS微機
文件頁數(shù): 22/159頁
文件大小: 2319K
代理商: M30201M4-114FP
Clock Generating Circuit
Unde
deeopmen
Mitsubishi microcomputers
M30201 Group
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
22
Clock Output
The clock output function select bit allows you to choose the clock from f
8
, fc, or a divide-by-n clock that is
output from the P5
4
/CK
OUT
pin. The clock divide counter is an 8-bit counter whose count source is f
32
, and
its divide ratio can be set in the range of 00
16
to FF
16
. Figure 1.19 shows a block diagram of clock output.
Figure 1.19. Block diagram of clock output
Clock source
selection
Reload register (8)
Low-order 8 bits
Data bus low-order bits
P5
4
f
8
f
C
1/2
Division n+1 n=00
16
to FF
16
Clock divided couter (8)
Example:
When f(X
IN
)=10MHz
n=07
16 :
approx. 16.5kHz
n=26
16 :
approx. 4.0kHz
n=4D
16 :
approx. 2.0kHz
n=9B
16 :
approx. 1.0kHz
P5
4
/CK
OUT
f
32
Address 038E
16
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