參數(shù)資料
型號: M34571G6FP
元件分類: 微控制器/微處理器
英文描述: 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PDSO24
封裝: 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù): 71/126頁
文件大?。?/td> 1776K
代理商: M34571G6FP
Rev.1.02
May 25, 2007
Page 49 of 124
REJ03B0179-0102
4571 Group
CLOCK CONTROL
The clock control circuit consists of the following circuits.
Ceramic oscillation circuit
Frequency divider
Internal clock generating circuit
The system clock and the instruction clock are generated as the
source clock for operation by these circuits.
Figure 50 shows the structure of the clock control circuit.
Fig 50. Clock control circuit structure
XIN
00
01
10
11
MR3, MR2
Division circuit
divided by 8
divided by 4
divided by 2
Internal clock
generation circuit
(divided by 3)
System clock
(STCK)
Instruction clock
(INSTCK)
Ceramic
oscillation circuit
Voltage drop detection circuit
(reset occurs)
S
R
Q
EPOF instruction + POF instruction
Key-on wakeup signal
RESET
Oscillation
stop signal
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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