mc9s12xd256 Freescale Semiconductor, Inc, mc9s12xd256 Datasheet - Page 278

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

Chapter 6 XGATE (S12XGATEV2)
STB
Operation
RS.L
RS.L
RS.L
RI–1
Stores the low byte of register RD 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
278
N:
Z:
V:
C:
STB RS, (RB, #OFFS5),
STB RS, (RB, RI)
STB RS, (RB, RI+)
STB RS, (RB, -RI)
—
N
register is written to the memory: RS.L
Not affected.
Not affected.
Not affected.
Not affected.
—
Z
RI; RS.L
M[RB, #OFFS5
M[RB, RI
M[RB, RI]; RI+1
—
V
Source Form
—
C
M[RB, RI]
RI;
1
Address
MC9S12XDP512 Data Sheet, Rev. 2.17
Mode
IDO5
IDR+
M[RB, RS-1]; RS-1
-IDR
IDR
Store Byte to Memory
0
0
0
0
(Low Byte)
1
1
1
1
0
1
1
1
1
1
1
1
RS
0
0
0
0
Machine Code
RS
RS
RS
RS
RB
RB
RB
RB
RI
RI
RI
Freescale Semiconductor
OFFS5
STB
0
0
1
0
1
0
Cycles
Pw
Pw
Pw
Pw