Sanyo AVM-2550S Training Manual page 32

CPU
CPU
S 1 0 1 0 0
S
T
DEVICE CODE
A
R
T
CONTROL BYTE
NOTE : ACK=ACKNOWLEDGE BIT
CPU
CPU
S 1 0 1 0 0 0
S
T
DEVICE CODE
A
R
T
CONTROL BYTE
NOTE : ACK=ACKNOWLEDGE BIT
0 0 0 0
A
C
WORD
K
ADDRESS(n)
READ/WRITE
0 0 0
A A
C C
WORD
K K
ADDRESS(n)
READ/WRITE
A A
C C
DATA n
K K
Write-In Mode
S 1 0 1 0 0 0 0 1 0
S A
T C
DEVICE CODE
A K
R
T
CONTROL BYTE
READ/WRITE
Read-Out Mode
– 29 –
A
C
DATA n+1 DATA n+7
K
A
C
DATA n DATA n+X
K
P
A S
C T
K O
P
P
S
T
O
P