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HCS12 Fiches technique(PDF) 110 Page - Freescale Semiconductor, Inc

No de pièce HCS12
Description  HCS12 Microcontrollers
PDF  452 Pages
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Fabricant  FREESCALE [Freescale Semiconductor, Inc]
Site Internet  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

HCS12 Fiches technique(HTML) 110 Page - Freescale Semiconductor, Inc

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S12CPUV2 Reference Manual, Rev. 4.0
110
Freescale Semiconductor
Operation:
(CCR)
• (Mask) ⇒ CCR
Description:
Performs bitwise logical AND between the content of a mask operand and
the content of the CCR. The result is placed in the CCR. After the operation
is performed, each bit of the CCR is the result of a logical AND with the
corresponding bits of the mask. To clear CCR bits, clear the corresponding
mask bits. CCR bits that correspond to ones in the mask are not changed
by the ANDCC operation.
If the I mask bit is cleared, there is a 1-cycle delay before the system allows
interrupt requests. This prevents interrupts from occurring between
instructions in the sequences CLI, WAI and CLI, STOP (CLI is equivalent to
ANDCC #$EF).
Condition code bits are cleared if the corresponding bit was 0 before the
operation or if the corresponding bit in the mask is 0.
ANDCC
Logical AND CCR with Mask
ANDCC
CCR Details:
S
X
HIN
Z
V
C
⇓⇓⇓⇓⇓⇓⇓⇓
Source Form
Address
Mode
Object Code
Access Detail
HCS12
M68HC12
ANDCC #opr8i
IMM
10 ii
P
P



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