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| 型号： | MCF52232CAF50 |
| 厂商： | FREESCALE SEMICONDUCTOR INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 32-BIT, FLASH, 50 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封装： | 14 X 14 MM, ROHS COMPLIANT, PLASTIC, LQFP-80 |
| 文件页数： | 26/55页 |
| 文件大小： | 636K |
| 代理商： | MCF52232CAF50 |
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MCF52235 ColdFire Microcontroller Data Sheet, Rev. 10
Electrical Characteristics
Freescale Semiconductor
32
2.3
DC Electrical Specifications
Table 22. DC Electrical Specifications 1
1 Refer to Table 25 for additional PLL specifications.
Characteristic
Symbol
Min
Max
Unit
Supply voltage
VDD
3.0
3.6
V
Input high voltage
VIH
0.7
V
DD
4.0
V
Input low voltage
VIL
VSS – 0.3
0.35 x VDD
V
Input hysteresis
VHYS
0.06
V
DD
—mV
Low-voltage detect trip voltage (VDD falling)
VLVD
2.15
2.3
V
Low-voltage detect hysteresis (VDD rising)
VLVDHYS
60
120
mV
Input leakage current
Vin = VDD or VSS, input-only pins
Iin
–1.0
1.0
A
High impedance (off-state) leakage current
Vin = VDD or VSS, all input/output and output pins
IOZ
–1.0
1.0
A
Output high voltage (all input/output and all output pins)
IOH = –2.0 mA
VOH
VDD - 0.5
__
V
Output low voltage (all input/output and all output pins)
IOL = 2.0 mA
VOL
__
0.5
V
Weak internal pull-up device current, tested at VIL max.
2
2 Refer to Table 3 for pins with internal pull-up devices.
IAPU
–10
–130
A
Input capacitance 3
All input-only pins
All input/output (three-state) pins
3 This parameter is characterized before qualification rather than 100% tested.
Cin
—
7
pF
Load capacitance4
Low drive strength
High drive strength
4 pF load ratings are based on DC loading and are provided as an indication of driver strength. High speed interfaces
require transmission line analysis to determine proper drive strength and termination.
CL
25
50
pF
DC injection current 3, 5, 6, 7
VNEGCLAMP =VSS– 0.3 V, VPOSCLAMP = VDD + 0.3
Single pin limit
Total MCU limit, Includes sum of all stressed pins
5 All functional non-supply pins are internally clamped to V
SS and their respective VDD.
6 Input must be current limited to the value specified. 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.
7 The 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 flow out of VDD
and could result in external power supply going out of regulation. Ensure that the external VDD load shunts current
greater than maximum injection current. This is 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. Also, the system
clock is not present during the power-up sequence until the PLL has attained lock.
IIC
–1.0
–10
1.0
10
mA
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相关代理商/技术参数 |
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