Handshake Solutions
HT80C51 User Manual
Peripheral Modules – I2C Interface (SIO1)
Page 68 of 132
© Philips Electronics N.V. 2005
read data byte or
read data byte
1
1
0
0
0
0
0
1
Switched to not addressed SLV mode; no recog-
nition of own SLA or General call address. A
START condition will be transmitted when the bus
becomes free
Switched to not addressed SLV mode; Own SLA
will be recognized; General call address will be
recognized if S1ADR.0 = logic 1. A START
condition will be transmitted when the bus be-
comes free.
A0H
A STOP condition or
repeated START condition
has been received while
still addressed as
SLV/REC or SLV/TRX
No S1DAT action or
no S1DAT action or
no S1DAT action or
no S1DAT action
0
0
1
1
0
0
0
0
0
0
0
0
0
1
0
1
Switched to not addressed SLV mode; no recog-
nition of own SLA or General call address
Switched to not addressed SLV mode; Own SLA
will be recognized; General call address will be
recognized if S1ADR.0 = logic 1
Switched to not addressed SLV mode; no recog-
nition of own SLA or General call address. A
START condition will be transmitted when the bus
becomes free
Switched to not addressed SLV mode; Own SLA
will be recognized; General call address will be
recognized if S1ADR.0 = logic 1. A START
condition will be transmitted when the bus be-
comes free.
[Table 12] Slave Receiver mode
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