AT89C51IC2-RLRUM Atmel, AT89C51IC2-RLRUM Datasheet - Page 90
![IC 8051 MCU 32K FLASH 44-VQFP](/photos/6/92/69202/313-44-vqfp_sml.jpg)
AT89C51IC2-RLRUM
Manufacturer Part Number
AT89C51IC2-RLRUM
Description
IC 8051 MCU 32K FLASH 44-VQFP
Manufacturer
Atmel
Series
89Cr
Datasheet
1.AT89C51IC2-SLRIM.pdf
(147 pages)
Specifications of AT89C51IC2-RLRUM
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 ~ 5.5 V
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
44-TQFP, 44-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
1280 B
Interface Type
UART, SPI, TWI
Maximum Clock Frequency
60 MHz
Number Of Programmable I/os
34
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Lead Free Status / Rohs Status
Details
Other names
AT89C51IC2-RLRUMTR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Figure 38. Format and State in the Master Transmitter Mode
90
Successfull
transmission
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
AT89C51IC2
From master to slave
From slave to master
08h
S
SLA
W
A or A
Data
MT
18h
A
A
20h
38h
A
68h
n
Other master
Other master
78h
continues
continues
P
A
Data
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
A or A
28h
A
A
38h
30h
To corresponding
states in slave mode
Other master
continues
P
S
10h
P
SLA
W
R
4301D–8051–02/08
MR
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