Datasheet

ST6200C/ST6201C/ST6203C
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STOP MODE (Cont’d)
Figure 22. STOP Mode Flowchart
Notes:
1. EXCTNL is an option bit. See option byte section for more details.
2. Peripheral clocked with an external clock source can still be active.
3. Only some specific interrupts can exit the MCU from STOP mode (such as external interrupt). Refer to
the Interrupt Mapping table for more details.
STOP INSTRUCTION
RESET
INTERRUPT
3)
Y
N
N
Y
FETCH RESET VECTOR
OR SERVICE INTERRUPT
WATCHDOG
ENABLE
DISABLE
EXCTNL
1
1
LEVEL
ON
NMI PIN
0
0
RESET
INTERRUPT
N
N
Y
Y
VALUE
1)
Clock to CPU
OSCILLATOR
Clock to PERIPHERALS
2)
Off
No
No
2048 or 32768
DELAY
Clock to CPU
OSCILLATOR
Clock to PERIPHERALS
Restart
Yes
Yes
Clock to CPU
OSCILLATOR
Clock to PERIPHERALS
On
Yes
Yes
Clock to CPU
OSCILLATOR
Clock to PERIPHERALS
On
Yes
No
CLOCK CYCLE
1