參數(shù)資料
型號(hào): SPC560B50L5C5E0R
廠商: STMICROELECTRONICS
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, ROHS COMPLIANT, LQFP-144
文件頁(yè)數(shù): 27/74頁(yè)
文件大小: 971K
代理商: SPC560B50L5C5E0R
Electrical characteristics
SPC560Bx, SPC560Cx
Doc ID 14619 Rev 4
4.9.2
Voltage monitor electrical characteristics
The device implements a Power-on Reset (POR) module to ensure correct power-up
initialization, as well as four low voltage detectors (LVDs) 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 5.0 V ± 10% range
LVDLVCOR monitors power domain No. 1
LVDLVBKP monitors power domain No. 0
Note:
When enabled, power domain No. 2 is monitored through LVD_DIGBKP.
Figure 9.
Low voltage monitor vs reset
VDD
VLVDHVxH
RESET
VLVDHVxL
Table 22.
Low voltage monitor electrical characteristics
Symbol
C
Parameter
Conditions(1)
Value(2)
Unit
Min Typ Max
VPORUP
SR P Supply for functional POR module
TA = 25 °C,
after trimming
1.0
5.5
V
VPORH
CC P Power-on reset threshold
1.5
2.6
VLVDHV3H
CC T LVDHV3 low voltage detector high threshold
2.95
VLVDHV3L
CC P LVDHV3 low voltage detector low threshold
2.7
2.9
VLVDHV5H
CC T LVDHV5 low voltage detector high threshold
4.5
VLVDHV5L
CC P LVDHV5 low voltage detector low threshold
3.8
4.4
VLVDLVCORL CC P LVDLVCOR low voltage detector low threshold
1.07
1.11
VLVDLVBKPL CC P LVDLVBKP low voltage detector low threshold
1.07
1.11
1.
VDD = 3.3 V ± 10% / 5.0 V ± 10%, TA = 40 to 125 °C, unless otherwise specified
2.
All values need to be confirmed during device validation.
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