GMS81508A Datasheet, PDF (49/91 Pages) Hynix Semiconductor – USERS MANUAL

HYUNDAI MicroElectronics
2.13. STANDBY FUNCTION
To save the consuming power of device, GMS81508/16 has STOP Mode.
In this mode, the execution of program is stopped. Stop Mode entered by STOP instruction.
OSC.
Circuit
halt
Clock Pulse GEN.
MUX
CPU Clock
Prescaler
Basic Interval Timer _IFBIT
STOP
SQ
RQ
SQ
RQ
RESET
Overflow
Detection
Release Signal from Interrupt Circuit
 At STOP Mode, Device Operation State.
Peripheral Function
Oscillator
CPU Clock
RAM, Register
I/O Port
Prescaler
Basic Interval Timer
Serial I/O
WDT, Timer, A/DC,PWM,
Buzzer Driver
Address Bus, Data Bus
Rd, Wt, R/W
HALT, BRQ, BAK
C
SYNC
STOP Mode


Retain
Retain


Operation( External Clock Selection)

Retain
Retain
Active
"L" level
"H" level
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