Motorola MVME5100 Programmer's Reference Manual page 195

System Memory Controller (SMC)
M
SDA
START
3
(*)
Stop condition should be generated to abort the transfer after a software wait loop (~1ms) has been expired
:
Figure 3-8. Programming Sequence for I
3-30
DEVICE ADDR WORD ADDR 1
A
W
S C
R
B K
BEGIN
2
READ I C STATUS REG
CMPLT=1?
Y
LOAD "$09" (START CONDITION) TO
2
I C CONTROL REG
LOAD "DEVICE ADDR+WR BIT" TO
2
I C TRANSMITTER DATA REG
2
READ I C STATUS REG
CMPLT=ACKIN=1?
Y
LOAD "WORD ADDR 1" TO
2
I C TRANSMITTER DATA REG
2
READ I C STATUS REG
CMPLT=ACKIN=1?
Y
DATA 1
A
C
K
N
*
N
LOAD "DATA1 ... DATA n" TO
2
I C TRANSMITTER DATA REG
READ I
*
N
LOAD "$05" (STOP CONDITION) TO
LOAD "DUMMY DATA" TO
2
I C TRANSMITTER DATA REG
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DATA n
A
C
K
ACK from Slave Device
2
C STATUS REG
*
N
CMPLT=ACKIN=1?
Y
N
LAST BYTE ?
Y
2
I C CONTROL REG
2
READ I C STATUS REG
N
CMPLT=1?
Y
END
2
C Page Write
A
C STOP
K