參數(shù)資料
型號(hào): HMS81C4316
英文描述: [TV : OSD/ I?C]
中文描述: [電視:OSD /我??]
文件頁數(shù): 66/94頁
文件大小: 1652K
代理商: HMS81C4316
HMS81032E/HMS81032TL
62
Nov. 2001 Ver 2.00
(4) SRAM BACK-UP after Low Voltage Detection.
Figure 16-6 Oscillator stabilizing diagram
Interrupt
disable
Stop release
disable
All I/O port
input Mode
Remout port
Low Level
OSC
STOP
All I/O port pull-up on
Mask Option
SRAM Data
retention until Fret
Table 16-1 The operation after Low Voltage detection
VDD
2V(Min.)
1.7V(typ.20
°
C
)
0.7V(Vret)
0V
3V
about hours depend on Vdd-GND Capacitor
SRAM Data Backup
User removes
batteries
User replaces
batteries
Time
Low Voltage detection point
Power on Reset
(SRAM retention)
Power on Reset
(SRAM unstable)
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