mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 279

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

STW
Operation
RS
RS
RS
RI–2
Stores the content of register RS to memory.
CCR Effects
Code and CPU Cycles
1. If the same general purpose register is used as index (RI) and source register (RS), the unmodified content of the source
Freescale Semiconductor
N:
Z:
V:
C:
STW RS, (RB, #OFFS5)
STW RS, (RB, RI)
STW RS, (RB, RI+)
STW RS, (RB, -RI)
—
N
register is written to the memory: RS
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
M[RB, #OFFS5
M[RB, RI
M[RB, RI]; RI+2
RI; RS
—
V
Source Form
—
C
M[RB, RI]
RI;
1
Address
M[RB, RS–2]; RS–2
MC9S12XDP512 Data Sheet, Rev. 2.17
Mode
IDO5
IDR+
-IDR
IDR
Store Word to Memory
0
0
0
0
1
1
1
1
0
1
1
1
RS
1
1
1
1
1
1
1
1
Machine Code
RS
RS
RS
RS
RB
RB
RB
RB
Chapter 6 XGATE (S12XGATEV2)
RI
RI
RI
OFFS5
STW
0
0
1
0
1
0
Cycles
PW
PW
PW
PW
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