參數(shù)資料
型號： M37549G3-XXXFP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 8 MHz, MICROCONTROLLER, PDSO24
封裝： 5.30 X 10.10 MM, 0.80 MM PITCH, PLASTIC, SSOP-24
文件頁數(shù)： 61/84頁
文件大小： 1378K
代理商： M37549G3-XXXFP
Rev.2.02
Mar 31, 2009
Page 64 of 81
REJ03B0202-0202
7549 Group
Table 13 Recommended operating conditions (2)
(VCC = 1.8 to 5.5 V, VSS = 0 V, Ta =
20 to 85 °C, unless otherwise noted)
NOTE:
1. When the oscillation frequency has a duty cycle of 50 %.
Fig 82. Power source voltage and oscillation frequency
Min.
Typ.
f(XIN)
Symbol
Parameter
Limits
Unit
Max.
8
50
MHz
XCIN oscillation
(Vcc
2.4) × 2
0.7
MHz
+2
kHz
32.768
MHz
XIN oscillation
External clock input
MHz
Double-speed mode
High-, middle-,
low-speed mode
Vcc = 4.5
5.5 V
Vcc = 2.4
4.5 V
Vcc = 2.2
2.4 V
Vcc = 4.0
5.5 V
Vcc = 2.4
4.0 V
Vcc = 1.8
2.4 V
Double-, high-, middle-,
low-speed mode
Vcc = 1.8
5.5 V
XIN oscillation
frequency (Note 1)
XCIN oscillation
frequency (Note 1)
(Vcc
2.2)
0.2
+1
(Vcc
2.4)
0.4
+4
(Vcc
1.8)
0.2
+1
Oscillation
frequency:
X
IN
(MHz)
Power source voltage: Vcc(V)
8.0
4.0
2.0
1.0
0.0
1.5
2.5
3.5
4.5
5.5
2.0
3.0
4.0
5.0
Low-speed on-chip oscillator (5 V/Typ:250 kHz)//Double-, high-, middle-, low-speed mode
High-speed on-chip oscillator
(5 V/Typ:4 MHz)
Double-, high-, middle-,
low-speed mode
XCIN oscillation//Double-, high-, middle-, low-speed mode
XIN oscillation
Double-speed mode
XIN oscillation
High-, middle-,
low-speed mode
When XIN is used, the MCU can be
operated within the range shown in
diagonal lines.
Confirm that the oscillation is stable
within the operating supply voltage
range before use.
Contact the oscillator manufacturer
for oscillation constants.
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