AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 168
AT80C51SND1C-ROTIL
Manufacturer Part Number
AT80C51SND1C-ROTIL
Description
IC MCU FLASH MP3 DECODER 80-TQFP
Manufacturer
Atmel
Series
80Cr
Datasheet
1.AT80C51SND1C-ROTIL.pdf
(213 pages)
Specifications of AT80C51SND1C-ROTIL
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
Contains lead / RoHS non-compliant
Eeprom Size
-
Program Memory Size
-
Other names
AT80C51SND1CROTIL
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Table 138. Status for Master Receiver Mode
168
SSSTA
Status
Code
08h
10h
38h
40h
48h
50h
58h
Status of the TWI Bus
and TWI Hardware
A START condition has
been transmitted
A repeated START
condition has been
transmitted
Arbitration lost in
SLA+R or NOT ACK
bit
SLA+R has been
transmitted; ACK has
been received
SLA+R has been
transmitted; NOT ACK
has been received
Data Byte has been
received; ACK has
been returned
Data Byte has been
received; NOT ACK
has been returned
AT8xC51SND1C
To/From SSDAT
Write SLA+R
Write SLA+R
Write SLA+W
No SSDAT action
No SSDAT action
No SSDAT action
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
Application Software Response
SSSTA
X
X
X
0
1
0
0
1
0
1
0
0
1
0
1
SSSTO
To SSCON
0
0
0
0
0
0
0
0
1
1
0
0
0
1
1
SSI
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
SSAA
X
X
X
X
X
0
1
X
X
X
0
1
X
X
X
Next Action Taken by TWI Hardware
SLA+R will be transmitted.
SLA+R will be transmitted.
SLA+W will be transmitted.
Logic will switch to master transmitter mode.
TWI bus will be released and not addressed slave
mode will be entered.
A START condition will be transmitted when the bus
becomes free.
Data Byte will be received and NOT ACK will be
returned.
Data Byte will be received and ACK will be returned.
Repeated START will be transmitted.
STOP condition will be transmitted and SSSTO flag
will be reset.
STOP condition followed by a START condition will
be transmitted and SSSTO flag will be reset.
Data Byte will be received and NOT ACK will be
returned.
Data Byte will be received and ACK will be returned.
Repeated START will be transmitted.
STOP condition will be transmitted and SSSTO flag
will be reset.
STOP condition followed by a START condition will
be transmitted and SSSTO flag will be reset.
4109L–8051–02/08
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