AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 163

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

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

Figure 20-3. Format and States in the Master Transmitter Mode
4109L–8051–02/08
Successful transmis-
sion to a slave receiver
Next transfer started with
a repeated start condition
Not acknowledge received
after the slave address
Not acknowledge received
after a data Byte
Arbitration lost in slave
address or data Byte
Arbitration lost and
addressed as slave
From master to slave
From slave to master
08h
S
SLA
W
Data
MT
nnh
A or A
18h
20h
38h
68h
A
A
A
78h B0h
Other master
Other master
A
continues
continues
P
Any number of data Bytes and their associated
acknowledge bits
This number (contained in SSSTA) corresponds
to a defined state of the TWI bus
Data
A or A
28h
30h
38h
A
A
To corresponding
states in slave mode
Other master
10h
continues
P
S
P
AT8xC51SND1C
SLA
W
R
MR
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