
NY6 User Manual
Ver 1.3 2019/03/28
79
HALT
Function: Enter the halt (sleep) mode.
Operation: Stop system clock
Operand: None
Words: 1
Cycles: 1
Operative Flags: None
Flags Affected: None
Example:
HALT
After Instruction
The system enters the halt mode and the
system clock is halted.
SLOW
Function: Enter the slow mode.
Operation: Slow down the system clock
Operand: None
Words: 1
Cycles: 1
Operative Flags: None
Flags Affected: None
Example:
SLOW
After Instruction
The system enters the slow mode and the
system clock slows down, about 14.3 times.
CWDT0
Function: Clear Watch Dog Timer Step1.
Operation: Step1 for clear Watch Dog Timer
Operand: None
Words: 1
Cycles: 1
Operative Flags: None
Flags Affected: None
Example: CWDT0
Before Instruction
WDT counter = ???
After Instruction
WDT counter = ???
CWDT1
Function: Clear Watch Dog Timer Step2.
Operation: Watch dog counter ← 0x0
Operand: None
Words: 1
Cycles: 1
Operative Flags: None
Flags Affected: None
Example:
CWDT1
Before Instruction
WDT counter = ???
After Instruction
WDT counter = 0x0
Note : The CWDT0/CWDT1 instructions have to
be executed step by step, othwise the
watch dog timer won’t be clear. The
reason for two-step execution is to aviod
unexpected system reset if IR decoded
with unstable ROM data at low voltage.