247
CHAPTER 20 STANDBY FUNCTION
20.2 Standby Function Operations
20.2.1 HALT mode
(1) HALT mode setting and operating status
The HALT mode is set by executing the HALT instruction.
The operating status in the HALT mode is described below.
Table 20-1. HALT Mode Operating Status
HALT Mode Setting
During HALT Instruction Execution Using Main System Clock
Item
Clock generator
Main system clock can be oscillated.
Clock supply to CPU stops.
CPU
Operation stops.
Port (Output latch)
Status before HALT mode setting is held.
16-bit timer
Operable
8-bit timer
Watch timer
Watchdog timer
A/D converter
Operation stops.
Serial interface
Operable
LCD controller/driver
External interrupt
Sound generator
Meter controller/driver
Содержание mPD780973 Series
Страница 2: ...2 MEMO ...
Страница 66: ...66 MEMO ...
Страница 98: ...98 MEMO ...
Страница 138: ...138 MEMO ...
Страница 164: ...164 MEMO ...
Страница 182: ...182 MEMO ...
Страница 204: ...204 MEMO ...
Страница 244: ...244 MEMO ...
Страница 262: ...262 MEMO ...
Страница 278: ...278 MEMO ...
Страница 290: ...290 MEMO ...