參數(shù)資料
型號(hào): M37281MAH-XXXSP
元件分類: 微控制器/微處理器
英文描述: 8-BIT, MROM, 8.1 MHz, MICROCONTROLLER, PDIP52
封裝: 0.600 INCH, 1.78 MM PITCH, PLASTIC, SDIP-52
文件頁數(shù): 27/174頁
文件大?。?/td> 1420K
代理商: M37281MAH-XXXSP
M37281MAH–XXXSP,M37281MFH–XXXSP,M37281MKH–XXXSP, M37281EKSP
Rev.1.01
2003.07.16
page 120 of 170
Fig.8.14.3 Clock Generating Circuit Block Diagram
XCIN
XCOUT
OSC1 oscillating
mode selection bits
(See notes 1, 4)
Internal system clock
selection bit (See notes 1, 3)
Internal system clock
selection bit (Notes 1, 3)
Main clock (XIN–XOUT) stop bit (Notes 1, 3)
R
S
Q
STP instruction
WIT
instruction
R
S
Q
Reset
Interrupt disable flag I
Interrupt request
R
S
Q
Reset
STP instruction
Timing
φ
(Internal clock)
Timer 3
count source selection bit (See notes 1, 2)
“1”
Timer 3 count
stop bit (See notes 1, 2)
Timer 4 count
stop bit (See notes 1, 2)
Timer 3
Timer 4
1/2
1/8
XOUT
XIN
“1”
“0”
Notes 1 : The value at reset is “0.”
2: Refer to timer mode register 2.
3: Refer to CPU mode register (next page).
4: Refer to clock source control register.
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