UPD63 NEC [NEC], UPD63 Datasheet - Page 25

• Manufacturer Part Number: UPD63
• Description: 4-BIT SINGLE-CHIP MICROCONTROLLER FOR INFRARED REMOTE CONTROL TRANSMISSION
• Manufacturer: NEC [NEC]

(2) HALT Mode Release Timing
RESET
Clock
RESET
Clock
Standby
release signal
Clock
Figure 5-3. HALT Mode Release by Cancelation Condition
Figure 5-2. STOP Mode Release by RESET Input
OPERATING
Figure 5-4. HALT Mode Release by RESET Input
Oscillation
OPERATING
mode
HALT instruction
(STOP mode)
mode
HALT instruction
OPERATING
(HALT mode)
Oscillation
mode
HALT instruction
(HALT mode)
Oscillation stopped
STOP
HALT mode
mode
HALT mode
Reset
Oscillation
stopped
Reset
Oscillation
(246 to 694)/f
(246 to 694)/f
HALT mode
HALT mode
: Oscillation growth time
Wait
OPERATING mode
: Oscillation growth time
Wait
Oscillation
Oscillation
X
+
X
+
OPERATING
0 address start
OPERATING
mode
0 address start
mode
PD63, 63A, 64
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