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參數(shù)資料
| 型號： | MC9S08QE128CQD |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 8-BIT, FLASH, 50.33 MHz, MICROCONTROLLER, PQFP44 |
| 封裝： | 10 X 10 MM, 2 MM, HEIGHT, 0.80 MM PITCH, QFP-44 |
| 文件頁數(shù)： | 8/52頁 |
| 文件大?。?/td> | 834K |
| 代理商： | MC9S08QE128CQD |
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MC9S08QE128 Series Advance Information Data Sheet, Rev. 3
Electrical Characteristics
Freescale Semiconductor
16
Figure 7. Pull-up and Pull-down Typical Resistor Values
18
P
Low-voltage detection threshold —
low range
VLVDL
VDD falling
VDD rising
1.80
1.88
1.82
1.90
1.91
1.99
V
19
P
Low-voltage warning threshold —
high range
VLVWH
VDD falling
VDD rising
2.36
2.46
2.56
V
20
P
Low-voltage warning threshold —
low range
VLVWL
VDD falling
VDD rising
2.08
2.16
2.1
2.19
2.2
2.27
V
21
P Low-voltage inhibit reset/recover hysteresis
Vhys
—80—
mV
22
P Bandgap Voltage Reference6
VBG
1.19
1.20
1.21
V
1 Typical values are measured at 25°C. Characterized, not tested
2 All functional non-supply pins are internally clamped to V
SS and VDD.
3 Input must be current limited to the value specied. To determine the value of the required current-limiting resistor, calculate
resistance values for positive and negative clamp voltages, then use the larger of the two values.
4 Power supply must maintain regulation within operating V
DD range during instantaneous and operating maximum current
conditions. If positive injection current (VIn >VDD) is greater than IDD, the injection current may ow out of VDD and could result
in external power supply going out of regulation. Ensure external VDD load will shunt current greater than maximum injection
current. This will be the greatest risk when the MCU is not consuming power. Examples are: if no system clock is present, or if
clock rate is very low (which would reduce overall power consumption).
5 Maximum is highest voltage that POR is guaranteed.
6 Factory trimmed at V
DD = 3.0 V, Temp = 25°C
Table 8. DC Characteristics (continued)
Num C
Characteristic
Symbol
Condition
Min
Typ1
Max
Unit
PULL-UP RESISTOR TYPICALS
VDD (V)
PULL-UP
RESISTOR
(k
Ω
)
20
25
30
35
40
1.8
2
2.2
2.4
2.6
2.8
3
3.2
3.4
3.6
25
°C
85
°C
–40
°C
PULL-DOWN RESISTOR TYPICALS
VDD (V)
PULL-DOWN
RESISTANCE
(k
Ω
)
20
25
30
35
40
1.8
2.3
2.8
3.3
25
°C
85
°C
–40
°C
3.6
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