mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 229

• Manufacturer Part Number: mc9s12xd256
• Description: Hcs12x Microcontrollers
• Manufacturer: Freescale Semiconductor, Inc

BFINS
Operation
RS1[w:0]
Extracts w+1 bits from register RS1 starting at position 0 and writes them into register RD starting at
position o. The remaining bits in RD are not affected. If (o+w) > 15 the upper bits are ignored. Using R0
as a RS1, this command can be used to clear bits.
CCR Effects
Code and CPU Cycles
Freescale Semiconductor
N:
Z:
V:
C:
BFINS RD, RS1, RS2
N
Set if bit 15 of the result is set; cleared otherwise.
Set if the result is $0000; cleared otherwise.
0; cleared.
Not affected.
Z
w = (RS2[7:4])
o = (RS2[3:0])
V
0
Source Form
RD[(w+o):o];
—
C
15
15
15
Address
MC9S12XDP512 Data Sheet, Rev. 2.17
Mode
TRI
Bit Field Insert
0
7
1
1
W4
0
5
W4=3, O4=2
1
4
Machine Code
3
3
RD
2
O4
Bit Field Insert
RS1
0
0
0
Chapter 6 XGATE (S12XGATEV2)
RS2
RS1
RD
RS2
BFINS
1
1
Cycles
P
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