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PM0044 Datasheet(PDF) 159 Page - STMicroelectronics

Part # PM0044
Description  STM8 CPU programming manual
PDF  162 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

PM0044 Datasheet(HTML) 159 Page - STMicroelectronics

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PM0044
STM8 instruction set
Doc ID 13590 Rev 3
159/162
Syntax
WFI
Operation
CC.I1= 1, CC.I0 = 0. The CPU Clock is stopped till an interrupt occurs.
Internal peripherals are still running.
Description
The interrupt flag is cleared, allowing interrupts to be fetched. Then the
CPU clock is stopped, reducing the power consumption of
the microcontroller. The micro will continue the program upon an internal or
external interrupt.
Instruction overview
I1: 1
Set.
I0: 0
Cleared.
Detailed description
See also: HALT
WFI
Wait for Interrupt
(CPU stopped,
low power mode)
WFI
mnem
Affected condition flags
VI1
H
I0
N
Z
C
WFI
-
1-0-
-
-
Addressing
mode
Asm
cy
lgth
Op-code(s)
ST7
Inherent
WFI
10
1
8F
✗



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