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参数资料
| 型号： | UPD750004GBA-XXX-3BS-MTX |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 4-BIT, MROM, 6 MHz, MICROCONTROLLER, PQFP44 |
| 封装： | 10 X 10 MM, 0.80 MM PITCH, PLASTIC, QFP-44 |
| 文件页数： | 53/86页 |
| 文件大小： | 626K |
| 代理商： | UPD750004GBA-XXX-3BS-MTX |
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PD750004, 750006, 750008, 750004(A), 750006(A), 750008(A)
55
Data Sheet U10738EJ3V2DS
Recommended
constant
Resonator
Parameter
kHz
s
kHz
s
Unit
Max.
Typ.
Min.
35
2
10
100
15
32.768
1.0
32
5
Conditions
Crystal
External
clock
XT1
XT2
Oscillator frequency (fXT)Note 1
Oscillation settling timeNote 2
XT1 input frequency (fXT)Note 1
XT1 input high/low level width
(tXTH, tXTL)
VDD = 2.2 to 5.5 V
VDD = 4.5 to 5.5 V
VDD = 2.2 to 5.5 V
VDD = 1.8 to 5.5 V
CHARACTERISTICS OF THE SUBSYSTEM CLOCK OSCILLATOR (TA = -40 to +85
°C)
Notes 1. The oscillator frequency and input frequency indicate only the oscillator characteristics. See the item of
AC characteristics for the instruction execution time.
2. The oscillation settling time means the time required for the oscillation to settle after VDD is applied.
Caution When the subsystem clock oscillator is used, conform to the following guidelines when wiring at
the portions of surrounded by dotted lines in the figures above to eliminate the influence of the
wiring capacity.
The wiring must be as short as possible.
Other signal lines must not run in these areas.
Any line carrying a high fluctuating current must be kept away as far as possible.
The grounding point of the capacitor of the oscillator must have the same potential as that of VSS
It must not be grounded to ground patterns carrying a large current.
No signal must be taken from the oscillator.
When the subsystem clock is used, pay special attention to its wiring; the subsystem clock
oscillator has low amplification to minimize current consumption and is more likely to malfunction
due to noise than the main system clock oscillator.
C3
C4
R
XT1
XT2
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