AT89LP51ED2-20MU Atmel, AT89LP51ED2-20MU Datasheet - Page 150
![no-image](/images/manufacturer_photos/0/0/78/atmel_sml.jpg)
AT89LP51ED2-20MU
Manufacturer Part Number
AT89LP51ED2-20MU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20MU
Rohs
yes
Core
8051
Data Bus Width
8 bit
Maximum Clock Frequency
20 MHz
Program Memory Size
64 KB
Data Ram Size
256 B
On-chip Adc
Yes
Operating Supply Voltage
2.4 V to 5.5 V
Operating Temperature Range
- 40 C to + 85 C
Package / Case
VQFN-44
Mounting Style
SMD/SMT
Data Rom Size
4 KB
Interface Type
2-Wire, SPI, UART
Number Of Programmable I/os
36
Number Of Timers
3
Processor Series
AT89x
Program Memory Type
Flash
Factory Pack Quantity
360
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Figure 19-11. Format and States in Master Transmitter Mode
150
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
AT89LP51RD2/ED2/ID2 Preliminary
From master to slave
From slave to master
08h
S
SLA
W
MT
A or A
DATA
18h
20h
38h
68h
A
A
A
78h
Other master
Other master
n
continues
continues
P
B0h
DATA
A
Any number of data bytes
and their associated acknowledge bits
This number (contained in TWSR) corresponds
to a defined state of the Two-wire Serial Bus. The
prescaler bits are zero or masked to zero
A or A
28h
30h
38h
To corresponding
states in slave mode
A
A
Other master
10h
continues
P
R
P
S
SLA
W
R
3714A–MICRO–7/11
MR
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