AT89LP6440-20PU Atmel, AT89LP6440-20PU Datasheet - Page 116
AT89LP6440-20PU
Manufacturer Part Number
AT89LP6440-20PU
Description
MCU 8051 64K FLASH ISP 40PDIP
Manufacturer
Atmel
Series
89LPr
Datasheet
1.AT89LP6440-20MU.pdf
(194 pages)
Specifications of AT89LP6440-20PU
Core Processor
8051
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
38
Program Memory Size
64KB (64K x 8)
Program Memory Type
FLASH
Eeprom Size
8K x 8
Ram Size
4.25K x 8
Voltage - Supply (vcc/vdd)
2.4 V ~ 3.6 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
- Current page: 116 of 194
- Download datasheet (6Mb)
.
Table 18-6.
116
Status
Code
(TWSR)
0x08
10h
18h
20h
28h
30h
38h
AT89LP6440 - Preliminary
Status of the Two-wire
Serial Bus and Two-wire
Serial Interface Hardware
A START condition has
been transmitted
A repeated START
condition has been
transmitted
SLA+W has been
transmitted; ACK has been
received
SLA+W has been
transmitted; NOT ACK has
been received
Data byte has been
transmitted; ACK has been
received
Data byte has been
transmitted; NOT ACK has
been received
Arbitration lost in SLA+W
or data bytes
Status Codes for Master Transmitter Mode
To/from TWDR
Load SLA+W
Load SLA+W
Load SLA+R
Load data byte
No action
No action
No action
Load data byte
No action
No action
No action
Load data byte
No action
No action
No action
Load data byte
No actio
No actio
No actio
No action
No action
Application Software Response
STA
0
0
0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
STO
0
0
0
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
To TWCR
TWIF
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
1
AA
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
Next Action Taken by TWI Hardware
SLA+W will be transmitted;
ACK or NOT ACK will be received
SLA+W will be transmitted;
ACK or NOT ACK will be received
SLA+R will be transmitted;
Logic will switch to Master Receiver mode
Data byte will be transmitted and ACK or NOT
ACK will be received
Repeated START will be transmitted
STOP condition will be transmitted andSTO flag
will be reset
STOP condition followed by a START condition
will be transmitted and STO flag will be reset
Data byte will be transmitted and ACK or NOT
ACK will be received
Repeated START will be transmitted
STOP condition will be transmitted and STO
flag will be reset
STOP condition followed by a START condition
will be transmitted and STO flag will be reset
Data byte will be transmitted and ACK or NOT
ACK will be received
Repeated START will be transmitted
STOP condition will be transmitted and STO
flag will be reset
STOP condition followed by a START condition
will be transmitted and STO flag will be reset
Data byte will be transmitted and ACK or NOT
ACK will be received
Repeated START will be transmitted
STOP condition will be transmitted and STO
flag will be reset
STOP condition followed by a START condition
will be transmitted and STO flag will be reset
Two-wire Serial Bus will be released and not
addressed slave mode entered
A START condition will be transmitted when the
bus becomes free
3706A–MICRO–9/09
Related parts for AT89LP6440-20PU
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
DEV KIT FOR AVR/AVR32
Manufacturer:
Atmel
Datasheet:
Part Number:
Description:
INTERVAL AND WIPE/WASH WIPER CONTROL IC WITH DELAY
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Low-Voltage Voice-Switched IC for Hands-Free Operation
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
MONOLITHIC INTEGRATED FEATUREPHONE CIRCUIT
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
AM-FM Receiver IC U4255BM-M
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Monolithic Integrated Feature Phone Circuit
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
Multistandard Video-IF and Quasi Parallel Sound Processing
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
High-performance EE PLD
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
8-bit Flash Microcontroller
Manufacturer:
ATMEL Corporation
Datasheet:
Part Number:
Description:
2-Wire Serial EEPROM
Manufacturer:
ATMEL Corporation
Datasheet: