参数资料
型号: M37540M2T-XXXFP
元件分类: 微控制器/微处理器
英文描述: 8-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP32
封装: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件页数: 41/88页
文件大小: 872K
代理商: M37540M2T-XXXFP
7540 Group
Rev.4.00
Jun 21, 2004
page 46 of 82
REJ03B0011-0400Z
Fig. 51 Block diagram of internal clock generating circuit (for ceramic resonator)
Fig. 52 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
Prescaler 1
Timer 1
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
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 1
Timer 1
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
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