AT89LP51ED2-20AAU Atmel, AT89LP51ED2-20AAU Datasheet - Page 154
AT89LP51ED2-20AAU
Manufacturer Part Number
AT89LP51ED2-20AAU
Description
8-bit Microcontrollers - MCU 64KB 20MHz 2.4V-5.5V
Manufacturer
Atmel
Datasheet
1.AT89LP51ED2-20AAU.pdf
(254 pages)
Specifications of AT89LP51ED2-20AAU
Rohs
yes
Core
8051
Processor Series
AT89x
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
LQFP-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
Program Memory Type
Flash
Factory Pack Quantity
160
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Table 19-8.
154
88h
90h
98h
A0h
AT89LP51RD2/ED2/ID2 Preliminary
Previously addressed with
own SLA+W; data has been
received; NOT ACK has
been returned
Previously addressed with
general call; data has been
received; ACK has been
returned
Previously addressed with
general call; data has been
received; NOT ACK has
been returned
A STOP condition or
repeated START condition
has been received while still
addressed as slave
Status Codes for Slave Receiver Mode
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
Read data byte
No Action
No Action
No Action
No Action
X
X
0
0
1
1
0
0
1
1
0
0
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
1
1
1
1
1
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA; a START
condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”; a START condition will
be transmitted when the bus becomes free
Data byte will be received and NOT ACK will be
returned
Data byte will be received and ACK will be
returned
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA; a START
condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”; a START condition will
be transmitted when the bus becomes free
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”
Switched to the not addressed Slave mode; no
recognition of own SLA or GCA; a START
condition will be transmitted when the bus
becomes free
Switched to the not addressed Slave mode;
own SLA will be recognized; GCA will be
recognized if GC = “1”; a START condition will
be transmitted when the bus becomes free
3714A–MICRO–7/11
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