89C51IC2-CM ATMEL [ATMEL Corporation], 89C51IC2-CM Datasheet - Page 96
89C51IC2-CM
Manufacturer Part Number
89C51IC2-CM
Description
8-bit Flash Microcontroller with 2-wire Interface
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet
1.89C51IC2-CM.pdf
(146 pages)
- Current page: 96 of 146
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96
(SSCS)
Status
Code
98h
A0h
AT89C51IC2
Status of the 2-wire bus and
A STOP condition or repeated
received; NOT ACK has been
received while still addressed
general call; data has been
START condition has been
Previously addressed with
2-wire hardware
returned
as slave
No SSDAT action or
No SSDAT action or
No SSDAT action or
Read data byte or
Read data byte or
Read data byte or
No SSDAT action
To/from SSDAT
Read data byte
Application Software Response
STA
0
0
1
1
0
0
1
1
To SSCON
STO
0
0
0
0
0
0
0
0
SI
0
0
0
0
0
0
0
0
AA
0
1
0
1
0
1
0
1
Next Action Taken By 2-wire Software
Switched to the not addressed slave mode; no
recognition of own SLA or GCA
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1
Switched to the not addressed slave mode; no
recognition of own SLA or GCA. A START
condition will be transmitted when the bus
becomes free
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1. A START condition will be
transmitted when the bus becomes free
Switched to the not addressed slave mode; no
recognition of own SLA or GCA
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1
Switched to the not addressed slave mode; no
recognition of own SLA or GCA. A START
condition will be transmitted when the bus
becomes free
Switched to the not addressed slave mode; own
SLA will be recognised; GCA will be recognised if
GC=logic 1. A START condition will be
transmitted when the bus becomes free
4301A–8051–01/04
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