2000 Jul 26
95
Philips Semiconductors
Preliminary Specification
Single-chip 8-bit microcontroller with CAN controller
P8xC591
Table 64
Slave Transmitter Mode
STATUS
CODE
(S1STA)
STATUS OF THE
I
2
C BUS AND
SIO1 HARDWARE
APPLICATION SOFTWARE RESPONSE
NEXT ACTION TAKEN BY SIO1
HARDWARE
TO/FROM S1DAT
TO S1CON
STA
STO
SI
AA
A8H
Own SLA+R has been
received;ACKhasbeen
returned
Load data byte or
X
0
0
0
Last data byte will be transmitted and ACK
bit will be received
Data byte will be transmitted; ACK will be
received
Last data byte will be transmitted and ACK
bit will be received
Data byte will be transmitted; ACK bit will
be received
load data byte
X
0
0
1
B0H
Arbitration lost in
SLA+R/W as master;
Own SLA+R has been
received,ACKhasbeen
returned
Data byte in S1DAT has
been transmitted; ACK
has been received
Load data byte or
X
0
0
0
load data byte
X
0
0
1
B8H
Load data byte or
X
0
0
0
Last data byte will be transmitted and ACK
bit will be received
Data byte will be transmitted; ACK bit will
be received
Switched to not addressed SLV mode; no
recognition 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
recognition 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 becomes free.
Switched to not addressed SLV mode; no
recognition 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
recognition 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 becomes free.
load data byte
X
0
0
1
C0H
Data byte in S1DAT has
been transmitted; NOT
ACK has been received
No S1DAT action or
0
0
0
0
no S1DAT action or
0
0
0
1
no S1DAT action or
1
0
0
0
no S1DAT action
1
0
0
1
C8H
Last data byte in S1DAT
has been transmitted
(AA = 0); ACK has been
received
No S1DAT action or
0
0
0
0
no S1DAT action or
0
0
0
1
no S1DAT action or
1
0
0
0
no S1DAT action
1
0
0
1