参数资料
型号: SPC5644AF0MLU2
厂商: FREESCALE SEMICONDUCTOR INC
元件分类: 微控制器/微处理器
英文描述: MICROCONTROLLER, PQFP176
封装: 24 X 24 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, LEAD FREE, LQFP-176
文件页数: 126/142页
文件大小: 886K
代理商: SPC5644AF0MLU2
MPC5644A Microcontroller Data Sheet, Rev. 4
Preliminary—Subject to Change Without Notice
Electrical characteristics
Freescale Semiconductor
84
3.7
Power up/down sequencing
There is no power sequencing required among power sources during power up and power down, in order to operate within
specification.
Although there are no power up/down sequencing requirements to prevent issues such as latch-up or excessive current spikes
the state of the I/O pins during power up/down varies according to Table 18 for all pins with fast pads, and Table 19 for all pins
with medium, slow, and multi-voltage pads.
3.8
DC electrical specifications
Table 18. Power sequence pin states (fast pads)
VDDE
VRC33
VDD
Pad State
LOW
X
LOW
VDDE
LOW
X
HIGH
VDDE
VRC33
LOW
HIGH IMPEDANCE
VDDE
VRC33
VDD
FUNCTIONAL
Table 19. Power sequence pin states (medium, slow, and multi-voltage pads)
VDDEH
VDD
Pad State
LOW
X
LOW
VDDEH
LOW
HIGH IMPEDANCE
VDDEH
VDD
FUNCTIONAL
Table 20. DC electrical specifications1
Symbol
C
Parameter
Conditions
Value
Unit
min
typ
max
VDD
SR
P
Core supply voltage
1.14
1.32
V
VDDE
SR
P
I/O supply voltage
1.62
3.6
V
VDDEH
SR
P
I/O supply voltage
3.0
5.25
V
VDDE-EH
SR
P
I/O supply voltage
3.0
5.25
V
VRC33
SR
P
3.3 V regulated
voltage2
—3.0
3.6
V
VDDA
SR
P
Analog supply voltage
4.753
—5.25
V
VINDC
SR
C
Analog input voltage
VSSA-0.3
VDDA+0.3
V
VSS – VSSA
SR
D
VSS differential
voltage
–100
100
mV
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