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參數(shù)資料
| 型號： | MPC5603PEFMLQ7 |
| 廠商： | FREESCALE SEMICONDUCTOR INC |
| 元件分類： | 微控制器/微處理器 |
| 英文描述： | 32-BIT, FLASH, 64 MHz, MICROCONTROLLER, PQFP144 |
| 封裝： | 20 X 20 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, LQFP-144 |
| 文件頁數(shù)： | 26/72頁 |
| 文件大?。?/td> | 1382K |
| 代理商： | MPC5603PEFMLQ7 |
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MPC5604P Microcontroller Data Sheet, Rev. 4
Freescale Semiconductor
32
3.6.2
Voltage Monitor Electrical Characteristics
The device implements a Power On Reset module to ensure correct power-up initialization, as well as four low voltage detectors
to monitor the VDD and the VDD_LV voltage while device is supplied:
POR monitors VDD during the power-up phase to ensure device is maintained in a safe reset state
LVDHV3 monitors VDD to ensure device reset below minimum functional supply
LVDHV5 monitors VDD when application uses device in the 5.0V ± 10% range
LVDLVCOR monitors power domain No. 1
3.7
Power Up/Down Sequencing
The maximum slope (TV
DD) must be granted on all power supplies (see Table 5).
3.8
DC Electrical Characteristics
3.8.1
NVUSRO Register
Portions of the MPC5604P device configuration (that is, high voltage supply, oscillator margin, and watchdog enable/disable
after reset) are controlled via bit values in the NVUSRO register. NVUSRO[PAD3V5V] controls the device configuration as
follows:
Table 13. Low voltage monitor electrical characteristics
Symbol
Parameter
Conditions1
1 V
DD = 3.3V ± 10% / 5.0V ± 10%, TA = –40 to 125°C, unless otherwise specified
Value
Unit
Min
Max
VPOR
T
Power-on reset threshold
—
1.5
2.7
V
VREGLVDMOK_H
P
Regulator low voltage detector high threshold
—
2.9
V
VREGLVDMOK_L
P
Regulator low voltage detector low threshold
—
2.6
—
V
VFLLVDMOK_H
P
Flash low voltage detector high threshold
—
2.9
V
VFLLVDMOK_L
P
Flash low voltage detector low threshold
—
2.6
—
V
VIOLVDMOK_H
P
I/O low voltage detector high threshold
—
2.9
V
VIOLVDMOK_L
P
I/O low voltage detector low threshold
—
2.6
—
V
VIOLVDM5OK_H
P
I/O 5V low voltage detector high threshold
—
4.3
V
VIOLVDM5OK_L
P
I/O 5V low voltage detector low threshold
—
4.0
—
V
VMLVDDOK_H
P
Digital supply low voltage detector high
—
TBD
V
VMLVDDOK_L
P
Digital supply low voltage detector low
—
TBD
—
V
Table 14. NVUSRO[PAD3V5V] Field Description1
1 See the MPC5604P Reference Manual for more information on the NVUSRO register.
Value2
2 Default manufacturing value before flash initialization is '1' (3.3 V).
Description
0
High Voltage supply is 5.0 V
1
High Voltage supply is 3.3 V
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