參數(shù)資料
型號(hào)： MPC5602DCLHR
廠商： FREESCALE SEMICONDUCTOR INC
元件分類(lèi)： 微控制器/微處理器
英文描述： 32-BIT, FLASH, 48 MHz, MICROCONTROLLER, PQFP64
封裝： 10 X 10 MM, 1.40 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, MS-026BCD, LQFP-64
文件頁(yè)數(shù)： 32/77頁(yè)
文件大小： 686K
代理商： MPC5602DCLHR
MPC5602D Microcontroller Data Sheet, Rev. 3.1
Preliminary—Subject to Change Without Notice
Electrical characteristics
Freescale Semiconductor
38
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 8. Low voltage monitor vs. reset
3 This capacitance value is driven by the constraints of the external voltage regulator supplying the V
DD_BV voltage.
A typical value is in the range of 470 nF.
4 This value is acceptable to guarantee operation from 4.5 V to 5.5 V.
5 External regulator and capacitance circuitry must be capable of providing I
DD_BV while maintaining supply VDD_BV
in operating range.
6 In-rush current is seen only for short time during power-up and on standby exit (max 20 s, depending on external
capacitances to be load).
VDD
VLVDHVxH
RESET
VLVDHVxL
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