mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 261

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

LDW
Operation
M[RB, #OFFS5
M[RB, RI
M[RB, RI]
RI-2
IMM16
Loads a 16 bit value into the register RD.
CCR Effects
Code and CPU Cycles
1. If the same general purpose register is used as index (RI) and destination register (RD), the content of the register will not be
Freescale Semiconductor
N:
Z:
V:
C:
LDW RD, (RB, #OFFS5)
LDW RD, (RB, RI)
LDW RD, (RB, RI+)
LDW RD, (RB, -RI)
LDW RD, #IMM16
—
N
incremented after the data move: M[RB, RI]
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
RI; M[RS, RI]
—
V
Source Form
RD (translates to LDL RD, #IMM16[7:0]; LDH RD, #IMM16[15:8])
RD
RD; RI+2
—
C
RD
RD
RI
1
Address
MC9S12XDP512 Data Sheet, Rev. 2.17
Mode
IMM8
IMM8
IDO5
IDR+
-IDR
IDR
Load Word from Memory
RD
0
0
0
0
1
1
1
1
1
1
1
1
0
1
1
1
1
1
0
0
0
0
1
1
1
1
1
1
0
1
Machine Code
RD
RD
RD
RD
RD
RD
RB
RB
RB
RB
IMM16[15:8]
IMM16[7:0]
Chapter 6 XGATE (S12XGATEV2)
RI
RI
RI
OFFS5
LDW
0
0
1
0
1
0
Cycles
PR
PR
PR
PR
P
P
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