参数资料
型号: MB90653APFV
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 12 MHz, MICROCONTROLLER, PQFP100
封装: PLASTIC, LQFP-100
文件页数: 54/106页
文件大小: 873K
代理商: MB90653APFV
MB90650A Series
51
8.
Clock Output Control Register
Clock output control register outputs the divided machine clock.
(1) Register Configuration
Address : 00003EH
————
CKEN FRQ2 FRQ1 FRQ0
R/W
Initial value
----0000 B
Clock control register (CLKR)
bit 7
bit 6
bit 5
bit 4
bit 3
bit 2
bit 1
bit 0
R/W
: Readable and writable
: Unused
bit 3: Clock output enable bit (CKEN)
bit 2 to bit 0: Clock output frequency select bit (FRQ2 to FRQ0)
MODE
Operation
0
Operate as a standard port.
1
Operate as the clock output.
FRQ2
FRQ1
FRQ0
Output clock
φ = 12 MHz
φ = 8 MHz
φ = 4 MHz
000
φ/21
167 ns
250 ns
500 ns
001
φ/22
333 ns
500 ns
1
s
010
φ/23
667 ns
1
s2 s
011
φ/24
1.33
s2 s4 s
100
φ/25
2.67
s4 s8 s
101
φ/26
5.33
s8 s16 s
110
φ/27
10.67
s16 s32 s
111
φ/28
21.33
s32 s64 s
相关PDF资料
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MB90F654APFV 16-BIT, FLASH, 12 MHz, MICROCONTROLLER, PQFP100
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