AT80C51SND1C-ROTIL Atmel, AT80C51SND1C-ROTIL Datasheet - Page 164

• 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 20-4. Format and States in the Master Receiver Mode
164
Successful reception
from a slave transmitter
Next transfer started with
a repeated start condition
Not acknowledge received
after the slave address
Arbitration lost in slave
address or data Byte
Arbitration lost and
addressed as slave
AT8xC51SND1C
From master to slave
From slave to master
08h
S
SLA
R
MR
A or A
Data
40h
48h
38h
68h
A
A
A
nnh
78h B0h
Other master
Other master
continues
continues
P
Data
A
Any number of data Bytes and their associated
acknowledge bits
This number (contained in SSSTA) corresponds
to a defined state of the TWI bus
50h
A
Data
To corresponding
states in slave mode
58h
38h
A
A
Other master
10h
continues
P
S
SLA
W
R
4109L–8051–02/08
MT