参数资料
型号: MB90522APFF
元件分类: 微控制器/微处理器
英文描述: 16-BIT, MROM, 16 MHz, MICROCONTROLLER, PQFP120
封装: PLASTIC, LQFP-120
文件页数: 71/99页
文件大小: 978K
代理商: MB90522APFF
MB90520A/520B Series
73
21. Clock Monitor Function
The clock monitor function outputs the machine clock divided by a specified amount to the clock monitor pin
(CKOT) .
Clock monitor functions
Output frequency of the clock monitor function
Block diagram
Function
Output frequency
Machine clock divided by 2 to 32 (8 settings available)
Interrupts
None
EI2OS support
Not supported by the extended intelligent I/O service (EI2OS) .
FRQ2 - 0
Bits
Machine Clock
Divide Ratio
When
φφφφ ==== 16 MHz
When
φφφφ ==== 8 MHz
When
φφφφ ==== 4 MHz
Period
Frequency
Period
Frequency
Period
Frequency
000B
φ/21
125 ns
8 MHz
250 ns
4 MHz
500 ns
2 MHz
001B
φ/22
250 ns
4 MHz
500 ns
2 MHz
1.0
s1 MHz
010B
φ/23
500 ns
2 MHz
1.0
s1 MHz2.0 s
500 kHz
011B
φ/24
1.0
s1 MHz2.0 s500 kHz4.0 s
250 kHz
100B
φ/25
2.0
s
500 kHz
4.0
s250 kHz8.0 s
125 kHz
101B
φ/26
4.0
s
250 kHz
8.0
s
125 kHz
16.0
s62.5 kHz
110B
φ/27
8.0
s
125 kHz
16.0
s
62.5 kHz
32.0
s
31.25 kHz
111B
φ/28
16.0
s
62.5 kHz
32.0
s31.25 kHz64.0 s
15.625 kHz
CKEN FRQ2
CKOT
Pin
FRQ1 FRQ0
3
φ
Internal
data
bus
Prescaler
Count
clock
selector
Output enable
Clock output enable
register (CLKR)
: Undefined
φ
: Machine clock frequency
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相关代理商/技术参数
参数描述
MB90522APFV 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
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MB90522BPFF 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90522BPFV 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Proprietary Microcontroller
MB90522BPMC1 制造商:FUJITSU 制造商全称:Fujitsu Component Limited. 功能描述:16-bit Microcontroller