参数资料
型号: M37544G2SP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, OTPROM, 8 MHz, MICROCONTROLLER, PDIP32
封装: 0.400 INCH, 1.78 MM PITCH, PLASTIC, SDIP-32
文件页数: 32/68页
文件大小: 738K
代理商: M37544G2SP
7544 Group
Rev.1.04
2004.06.08
page 38 of 66
REJ03B0012-0104Z
Fig. 46 Block diagram of internal clock generating circuit (for ceramic/quartz-crystal resonator)
Fig. 47 Block diagram of internal clock generating circuit (for RC oscillation)
S
R
Q
S
R
Q
1/2
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
Clock division
ratio selection bit
Double-speed mode
On-chip oscillator mode
On-chip oscillator
RING
XOUT
XIN
1/8
Clock division ratio selection bit
Middle-, high-, low-speed mode
On-chip oscillator mode
RESET
Prescaler 1
Timer 1
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
Clock division
ratio selection bit
Double-speed mode
On-chip oscillator mode
On-chip oscillator
RING
XOUT
XIN
Delay
1/8
Clock division ratio selection bit
Middle-, high-, low-speed mode
On-chip
oscillator
mode
RESET
Prescaler 1
Timer 1
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