AT89C51IC2-RLTIL Atmel, AT89C51IC2-RLTIL Datasheet - Page 92

• Manufacturer Part Number: AT89C51IC2-RLTIL
• Description: IC 8051 MCU FLASH 32K 44VQFP
• Manufacturer: Atmel
• Series: 89Cr

Specifications of AT89C51IC2-RLTIL

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: POR, PWM, WDT
• Number Of I /o: 34
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 1.25K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

Figure 39. Format and State in the Master Receiver Mode
92
Successfull
transmission
to a slave
receiver
Next transfer
started with a
repeated start
condition
Not acknowledge
received after the
slave address
Arbitration lost in slave
address or acknowledge bit
Arbitration lost and
addressed as slave
AT89C51IC2
From master to slave
From slave to master
08h
S
SLA
R
A or A
MR
Data
40h
A
A
48h
38h
A
68h
n
Other master
Other master
78h
continues
continues
P
Data
A
B0h
Any number of data bytes and their associated
acknowledge bits
This number (contained in SSCS) corresponds
to a defined state of the 2-wire bus
50h
A
Data
To corresponding
states in slave mode
58h
A
38h
A
Other master
10h
continues
S
P
SLA
4301D–8051–02/08
W
R
MT