UPD75518 NEC, UPD75518 Datasheet - Page 140

• Manufacturer Part Number: UPD75518
• Description: 4 BIT SINGLE-CHIP MICROCOMPUTER
• Manufacturer: NEC

140
(a) Release of the STOP mode by RESET input
(b) Release of the STOP mode by the occurrence of an interrupt
(c) Release of the HALT mode by RESET input
(d) Release of the HALT mode by the occurrence of an interrupt
Note A wait time is 31.3 ms when operating at 4.19 MHz.
Remark The dashed line indicates the case where the interrupt request that releases the standby
Note A wait time is 31.3 ms when operating at 4.19 MHz.
Remark The dashed line indicates the case where the interrupt request that releases the standby
Standby
release
signal
Standby
release
signal
RESET
signal
RESET
signal
Clock
Clock
Clock
Clock
mode is accepted.
mode is accepted.
Operating mode
Oscillation
Oscillation
Operating
mode
Operating
mode
Operating
mode
STOP instruction
STOP instruction
HALT instruction
HALT instruction
Fig. 6-1 Standby Mode Release Operation
No oscillation
No oscillation
STOP mode
STOP mode
HALT mode
Oscillation
HALT mode
Oscillation
(Time set by BTM)
HALT mode
HALT mode
Oscillation
Oscillation
approximately
21.8 ms/6.0 MHz
Wait
approximately
21.8 ms/6.0 MHz
Operating mode
Wait
Wait
Note
Note
Operating
mode
Operating
mode
Operating
mode
PD75518(A)