HMS81008E Hynix Semiconductor, HMS81008E Datasheet - Page 66

• Manufacturer Part Number: HMS81008E
• Description: HYNIX SEMICONDUCTOR 8-BIT SINGLE-CHIP MICROCONTROLLERS
• Manufacturer: Hynix Semiconductor

(4) SRAM BACK-UP after Low Voltage Detection.
JUNE 2001 Ver 1.00
VDD
1.7V(typ.20 C)
2V(Min.)
0.7V(Vret)
3V
0V
User removes
batteries
Table 16-1 The operation after Low Voltage detection
Interrupt
Stop release
All I/O port
Remout port
OSC
All I/O port pull-up on
SRAM Data
Figure 16-6 Oscillator stabiliaztion diagram
about hours depend on Vdd-GND Capacitor
SRAM Data Backup
Low Voltage detetion point
disable
disable
input Mode
Low Level
STOP
Mask Option
retention until Vret
HMS81004E/08E/16E/24E/32E
User replaces
batteries
Power on Reset
(SRAM retention)
Power on Reset
(SRAM unstable)
Time
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