
1998 Aug 26
32
Philips Semiconductors
Product specification
Low voltage 8-bit microcontroller with
6-kbyte embedded RAM
SZF2002
Table 29
Status codes
S1STA VALUE
DESCRIPTION
MST/TRX mode
08H
10H
18H
20H
28H
30H
38H
A START condition has been transmitted.
A repeated START condition has been transmitted.
SLA and W have been transmitted, ACK has been received.
SLA and W have been transmitted, ACK received.
DATA of S1DAT has been transmitted, ACK received.
DATA of S1DAT has been transmitted, ACK received.
Arbitration lost in SLA, R/W or DATA.
MST/REC mode
08H
10H
38H
40H
48H
50H
58H
A START condition has been transmitted.
A repeated START condition has been transmitted.
Arbitration lost while returning ACK.
SLA and R have been transmitted, ACK received.
SLA and R have been transmitted, ACK received.
DATA has been received, ACK returned.
DATA has been received, ACK returned.
SLV/REC mode
60H
68H
70H
78H
80H
88H
90H
98H
A0H
Own SLA and W have been received, ACK returned.
Arbitration lost in SLA, R/W as MST. Own SLA and W have been received, ACK returned.
General CALL has been received, ACK returned.
Arbitration lost in SLA, R/W as MST. General CALL has been received.
Previously addressed with own SLA. DATA byte received, ACK returned.
Previously addressed with own SLA. DATA byte received, ACK returned.
Previously addressed with general CALL. DATA byte has been received, ACK has been returned.
Previously addressed with general CALL. DATA byte has been received, ACK has been returned.
A STOP condition or repeated START condition has been received while still addressed as SLV/REC
or SLV/TRX.
SLV/TRX mode
A8H
B0H
B8H
C0H
C8H
Own SLA and R have been received, ACK returned.
Arbitration lost in SLA and R/W as MST. Own SLA and R have been received, ACK returned.
DATA byte has been transmitted, ACK received.
DATA byte has been transmitted, ACK received.
Last DATA byte has been transmitted (AA = 0), ACK received.
Miscellaneous
00H
F8H
Bus error during MST mode or selected SLV mode, due to an erroneous START or STOP condition.
No relevant state information available, SI = 0.