参数资料
型号: MB90487PF
厂商: FUJITSU LTD
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 25 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, QFP-100
文件页数: 74/113页
文件大小: 1195K
代理商: MB90487PF
MB90480/485 Series
63
16. Clock
The clock generator module controls the operation of the internal clock circuits that serve as the operating clock
for the CPU and peripheral devices. This internal clock is referred to as the machine clock, and one cycle os refferd
to as a machine cycle. Also, the clock signals from the base oscillator are called the oscillator clock, and those from
the PLL oscillator are called the PLL clock.
(1) Register List
Clock select register (CKSCR)
PLL output select register (PLLOS)
0000A1H
Read/write
Initial value
0000CFH
Read/write
Initial value
R
1
R/W
1
R/W
1
R/W
1
R/W
1
R/W
0
R/W
0
15
14
13
12
11
10
9
8
MCM
R
1
SCM
WS1
WS0
SCS
MCS
CS1
CS0
W
X
W
0
15
14
13
12
11
10
9
8
PLL2
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