Philips Semiconductors
Low voltage 8-bit microcontrollers with
UART, I2C-bus and ADC
Product specification
P80CL580; P83CL580
Table 22 MST/REC mode
S1STA VALUE
DESCRIPTION
08H
A START condition has been transmitted.
10H
A repeated START condition has been transmitted.
38H
Arbitration lost while returning ACK.
40H
SLA and R have been transmitted, ACK received.
48H
SLA and R have been transmitted, ACK received.
50H
DATA has been received, ACK returned.
58H
DATA has been received, ACK returned.
Table 23 SLV/REC mode
S1STA VALUE
DESCRIPTION
60H
Own SLA and W have been received, ACK returned.
68H
Arbitration lost in SLA, R/W as MST. Own SLA and W have been received, ACK returned.
70H
General CALL has been received, ACK returned.
78H
Arbitration lost in SLA, R/W as MST. General CALL has been received.
80H
Previously addressed with own SLA. DATA byte received, ACK returned.
88H
Previously addressed with own SLA. DATA byte received, ACK returned.
90H
Previously addressed with general CALL. DATA byte has been received, ACK has been returned.
98H
Previously addressed with general CALL. DATA byte has been received, ACK has been returned.
A0H
A STOP condition or repeated START condition has been received while still addressed as SLV/REC
or SLV/TRX.
Table 24 SLV/TRX mode
S1STA VALUE
DESCRIPTION
A8H
Own SLA and R have been received, ACK returned.
B0H
Arbitration lost in SLA, R/W as MST. Own SLA and R have been received, ACK returned.
B8H
DATA byte has been transmitted, ACK received.
C0H
DATA byte has been transmitted, ACK received.
C8H
Last DATA byte has been transmitted (AA = 0), ACK received.
Table 25 Miscellaneous.
S1STA VALUE
DESCRIPTION
00H
Bus error during MST mode or selected SLV mode, due to an erroneous START or STOP condition.
F8H
No relevant state information available, SI = 0.
1997 Mar 14
31