參數(shù)資料
型號: M3826AMFA-XXXFP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 10 MHz, MICROCONTROLLER, PQFP100
封裝: PLASTIC, LQFP-100
文件頁數(shù): 53/95頁
文件大?。?/td> 1006K
代理商: M3826AMFA-XXXFP
Rev.2.00
May. 24, 2006
page 55 of 90
REJ03B0028-0200
3826 Group (A version)
Fig. 61 Clock generating circuit block diagram
WIT
instruction
STP instruction
System clock
φ
S
R
Q
STP instruction
S
R
Q
Main clock stop bit
S
R
Q
Timer 2
Timer 1
1/2
1/4
XIN
XOUT
XCOUT
XCIN
Interrupt request
Reset
Timer 1 count
source selection
bit
Timer 2 count
source selection
bit
Low-speed mode
Middle-/High-speed
mode
System clock selection bit (Note 1)
Middle-speed mode
High-speed mode
or Low-speed mode
Notes 1: When using the sub clock for the system clock
φ, set the XC switch bit to “1”.
Main clock division ratio selection bit
“1”
“0”
“1”
“0”
Interrupt disable flag I
1/2
XC switch bit (Note 1)
“1”
“0”
(Note 2)
Although a feed-back resistor exists on-chip, an external feed-back resistor may be needed depending on conditions.
2:
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