FATEK FBs-CB2 - EXCHANGE (FUN 45 XCHG)

Advanced Function Instruction
7-20
FUN 45 D P
XCHG
EXCHANGE
FUN 45 D P
XCHG
Da :
ENExchange control
Ladder symbol
45DP.XCHG
Db :
Da : Register a to be exchanged
Db : Register b to be exchanged
Da, Db may combine with V, Z, P0~P9 to serve indirect
address application
WY WM WS TMR CTR HR OR SR ROR DR XR
Range
Ope-
rand
WY0
∣
WY240
WM0
∣
WM1896
WS0
∣
WS984
T0
∣
T255
C0
∣
C255
R0
∣
R3839
R3904
∣
R3967
R3968
∣
R4167
R5000
∣
R8071
D0
∣
D4095
V、Z
P0~P9
Da ○ ○ ○ ○ ○ ○ ○ ○* ○* ○ ○
Db ○ ○ ○ ○ ○ ○ ○ ○* ○* ○ ○
z When exchange control "EN" = 1 or "EN↑" ( P instruction) has a transition from 0 to 1, will exchanges the
contents of register Da and register Db in 16 bits or 32 bits ( D instruction) format.
X0
EN
45P.XCHG
Da :
Db :
R 1
R 0
z The instruction at left exchanges the contents of the
16-bit R0 and R1 registers.
B15 B0
Da R0 0 000000000000000
Db R1 1 111111111111111
Ø
X0＝
B15 B0
Da R0 1 111111111111111
Db R1 0 000000000000000