UPD78F9418AGK-9EU Renesas Electronics America, UPD78F9418AGK-9EU Datasheet - Page 249

• Manufacturer Part Number: UPD78F9418AGK-9EU
• Manufacturer: Renesas Electronics America

Specifications of UPD78F9418AGK-9EU

• Lead Free Status / Rohs Status: Supplier Unconfirmed

(2)
Remarks 1. The broken lines indicate the case where the interrupt request that has released the standby mode
Releasing HALT mode
The HALT mode can be released by the following three types of sources:
(a)
(b)
release signal
Releasing by unmasked interrupt request
The HALT mode is released by an unmasked interrupt request. In this case, if interrupts are enabled to
be acknowledged, vectored interrupt servicing is performed. If interrupts are disabled, the instruction at
the next address is executed.
2. The wait time is as follows:
Releasing by non-maskable interrupt request
The HALT mode is released regardless of whether interrupts are enabled or disabled, and vectored
interrupt servicing is performed.
is acknowledged.
Standby
When vectored interrupt servicing is performed:
When vectored interrupt servicing is not performed:
Clock
Operation
mode
Figure 16-2. Releasing HALT Mode by Interrupt
instruction
HALT
CHAPTER 16 STANDBY FUNCTION
User’s Manual U13952EJ3V1UD
HALT mode
Oscillation
Wait
Wait
9 to 10 clocks
1 to 2 clocks
Operation mode
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