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PM0044 Datasheet(PDF) 84 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) 84 Page - STMicroelectronics

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STM8 instruction set
PM0044
84/162
Doc ID 13590 Rev 3
Syntax
BRES dst,#pos
pos = [0..7]
e.g. BRES PADR,#6
Operation
dst <= dst AND COMPLEMENT (2**pos)
Description
Read the destination byte, reset the corresponding bit (bit position), and
write the result in destination byte. The destination is a memory byte. The
bit position is a constant. This instruction is fast, compact, and does not
affect any register. Very useful for boolean variable manipulation.
Instruction overview
Detailed description
See also: BSET
BRES
Bit Reset
BRES
mnem
dst
bit position
Affected condition flags
VI1
H
I0
N
Z
C
BRES
Mem
#pos
-
---
---
dst
pos = 0..7
Asm
cy
lgth
Op-code(s)
ST7
longmem
n=1+2*pos
BRES $1000,#7
1
4
72
1n
MS
LS



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