參數(shù)資料
型號(hào): M37545G8-XXXGP
元件分類(lèi): 微控制器/微處理器
英文描述: 8-BIT, MROM, 4 MHz, MICROCONTROLLER, PQFP32
封裝: 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32
文件頁(yè)數(shù): 33/63頁(yè)
文件大?。?/td> 774K
代理商: M37545G8-XXXGP
Rev.1.07
Mar 19, 2009
Page 39 of 60
REJ03B0140-0107
7545 Group
Fig. 43 Block diagram of system clock generating circuit (for ceramic resonator)
S
R
Q
S
R
Q
1/2
XIN
R
S
Q
Interrupt request
Interrupt disable flag I
Reset
STP instruction
Timing
φ
(Internal clock)
Prescaler 1
Timer 1
Rf
STP instruction
WIT
instruction
1/2
1/4
Reset
Although a feed-back resistor exists on-chip, an external feed-back resistor
may be needed depending on conditions.
Note:
XOUT
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