參數(shù)資料
型號: M37531RSS
元件分類: 微控制器/微處理器
英文描述: 8-BIT, 8 MHz, MICROCONTROLLER, CDIP42
封裝: SHRINK, CERAMIC, PIGGY BACK, DIP-42
文件頁數(shù): 26/76頁
文件大小: 1022K
代理商: M37531RSS
SINGLE-CHIP 8-BIT CMOS MICROCOMPUTER
7531 Group
MITSUBISHI MICROCOMPUTERS
32
Fig. 42 Block diagram of internal clock generating circuit (for ceramic resonator)
Fig. 43 Block diagram of internal clock generating circuit (for CR oscillation)
S
R
Q
S
R
Q
1/2
Rd
R
S
Q
Rf
1/4
1/2
WIT
instruction
STP instruction
Timing
φ
(Internal clock)
STP instruction
Interrupt request
Reset
Interrupt disable flag l
High-speed mode
Middle-speed mode
Prescaler 12
Timer 1
Main clock division
ratio selection bit
Double-speed mode
Ring oscillator mode
Ring oscillator
(Note)
Note Ring oscillator is used only for starting.
XOUT
XIN
S
R
Q
S
R
Q
1/2
R
S
Q
1/4
1/2
WIT
instruction
STP instruction
Timing
φ
(Internal clock)
STP instruction
Interrupt request
Reset
Interrupt disable flag l
High-speed mode
Middle-speed mode
Prescaler 12
Timer 1
Main clock division
ratio selection bit
Double-speed mode
Ring oscillator mode
Ring oscillator
(Note)
Note: Ring oscillator is used only for starting.
XOUT
XIN
Delay
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