AT80C51SND1C-ROTUL Atmel, AT80C51SND1C-ROTUL Datasheet - Page 169

• Manufacturer Part Number: AT80C51SND1C-ROTUL
• Description: IC MCU FLASH MP3 DECODER 80-TQFP
• Manufacturer: Atmel
• Series: 80Cr

Specifications of AT80C51SND1C-ROTUL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, IDE/ATAPI, MMC, SPI, UART/USART, USB
• Peripherals: Audio, I²S, MP3, PCM, POR, WDT
• Number Of I /o: 44
• Program Memory Type: ROMless
• Ram Size: 2.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.3 V
• Data Converters: A/D 2x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-TQFP, 80-VQFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

Table 139. Status for Slave Receiver Mode with Own Slave Address
4109L–8051–02/08
SSSTA
Status
Code
A0h
60h
68h
80h
88h
Status of the TWI Bus
and TWI Hardware
Own SLA+W has been
received; ACK has
been returned
Arbitration lost in
SLA+R/W as master;
own SLA+W has been
received; ACK has
been returned
Previously addressed
with own SLA+W; data
has been received;
ACK has been
returned
Previously addressed
with own SLA+W; data
has been received;
NOT ACK has been
returned
A STOP condition or
repeated START
condition has been
received while still
addressed as slave
To/From SSDAT
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
Read data Byte
Read data Byte
Read data Byte
Read data Byte
Read data Byte
Read data Byte
No SSDAT action
No SSDAT action
No SSDAT action
No SSDAT action
Application Software Response
SSSTA
X
X
X
X
X
X
0
0
1
1
0
0
1
1
SSSTO
To SSCON
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SSI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SSAA
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Next Action Taken by TWI Hardware
Data Byte will be received and NOT ACK will be
returned.
Data Byte will be received and ACK will be returned.
Data Byte will be received and NOT ACK will be
returned.
Data Byte will be received and ACK will be returned.
Data Byte will be received and NOT ACK will be
returned.
Data Byte will be received and ACK will be returned.
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 recognized; GCA will be recognized if
SSGC = 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 recognized; GCA will be recognized if
SSGC = 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 recognized; GCA will be recognized if
SSGC = 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 recognized; GCA will be recognized if
SSGC = logic 1. A START condition will be
transmitted when the bus becomes free.
AT8xC51SND1C
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