Standby Function Operation; Halt Mode; Halt Mode Operation Status - NEC switch User Manual

12.2 Standby Function Operation

12.2.1 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)
8-bit timer 00 (TM00)
8-bit timer/event counter 01 (TM01)
Watchdog timer
USB function
Serial interface
Key return
External interrupt
Notes 1. Operation is enabled only for pins set in key return mode register 00 (KRM00).
2. Maskable interrupt that is not masked
180
CHAPTER 12 STANDBY FUNCTION
Table 12-1. HALT Mode Operation Status
Oscillation enabled
Operation disabled
Remains in the state before the selection of HALT mode.
Operation enabled
Operation enabled
Operation enabled
Operation enabled
Operation enabled
Operation enabled
Operation enabled
User's Manual U12978EJ3V0UD

HALT Mode Operation Status

Note 1
Note 2