Operation Of Standby Function; Halt Mode - NEC mPD789101 User Manual

16.2 Operation of Standby Function

16.2.1 HALT mode

(1) HALT mode
The HALT mode is set by executing the HALT instruction.
The operation status in the HALT mode is shown in the following table.
Item
Clock generator
CPU
Port (Output latch)
16-bit timer counter 20
8-bit timer/event counter 80
Watchdog timer
Serial interface 20
A/D converter
Multiplier
External interrupt
Note Maskable interrupt that is not masked
CHAPTER 16 STANDBY FUNCTION
Table 16-1. HALT Mode Operating Status
System clock can be oscillated.
Clock supply to CPU stops.
Operation stopped.
Retains the status before setting the HALT mode.
Operable.
Operable.
Operable.
Operable.
Operation stopped.
Operation stopped.
Note
Operable .
User's Manual U13045EJ2V0UM00
HALT Mode Operating Status
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