upd78f0124m6gba1-8et Renesas Electronics Corporation., upd78f0124m6gba1-8et Datasheet - Page 358

• Manufacturer Part Number: upd78f0124m6gba1-8et
• Description: 8-bit Single-chip Microcontrollers
• Manufacturer: Renesas Electronics Corporation.

358
(a) Release by unmasked interrupt request
Standby release signal
Internal oscillation clock
Standby release signal
When an unmasked interrupt request is generated, the STOP mode is released.
stabilization time has elapsed, if interrupt acknowledgment is enabled, vectored interrupt servicing is carried
out. If interrupt acknowledgment is disabled, the next address instruction is executed.
Remarks 1. The broken lines indicate the case when the interrupt request that has released the standby
Status of CPU
X1 input clock
Status of CPU
2. f
mode is acknowledged.
R
Figure 18-6. STOP Mode Release by Interrupt Request Generation
: Internal oscillation clock frequency
Operating mode
(X1 input clock)
(2) When internal oscillation clock is used as CPU clock
Operating mode
oscillation clock)
Oscillates
(1) When X1 input clock is used as CPU clock
(Internal
instruction
STOP
CHAPTER 18 STANDBY FUNCTION
instruction
STOP
User’s Manual U16315EJ3V1UD
Oscillation stopped
STOP mode
STOP mode
Oscillation stabilization time (set by OSTS)
Oscillates
Oscillation stabilization wait
Operation
stopped
(17/f
(HALT mode status)
R
(set by OSTS)
)
Oscillates
Wait
(Internal oscillation clock)
Operating mode
Operating mode
After the oscillation
(X1 input clock)