ATMEGA128L-8AJ Atmel, ATMEGA128L-8AJ Datasheet - Page 221
![IC MCU AVR 128K 8MHZ LV 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA128L-8AJ
Manufacturer Part Number
ATMEGA128L-8AJ
Description
IC MCU AVR 128K 8MHZ LV 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128L-8AJ
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
EBI/EMI, I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
53
Program Memory Size
128KB (64K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-TQFP, 64-VQFP
For Use With
ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Slave Transmitter
Mode
2467V–AVR–02/11
Figure 101. Formats and States in the Slave Receiver Mode
In the Slave Transmitter mode, a number of data bytes are transmitted to a master receiver (see
Figure
zero or are masked to zero.
Figure 102. Data Transfer in Slave Transmitter Mode
To initiate the Slave Transmitter mode, TWAR and TWCR must be initialized as follows:
SDA
SCL
102). All the status codes mentioned in this section assume that the prescaler bits are
Reception of the
own slave address
and one or more
data bytes. All are
acknowledged
Last data byte received
is not acknowledged
Arbitration lost as master
and addressed as slave
Reception of the general call
address and one or more data
bytes
Last data byte received is
not acknowledged
Arbitration lost as master and
addressed as slave by general call
From master to slave
From slave to master
TRANSMITTER
Device 1
SLAVE
S
SLA
General Call
Device 2
RECEIVER
MASTER
W
DATA
$60
$68
$70
$78
A
A
A
A
Device 3
n
A
DATA
DATA
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
........
$80
$90
Device n
A
A
V
CC
DATA
DATA
ATmega128
R1
$80
$90
$88
$98
A
A
A
A
P or S
P or S
P or S
P or S
$A0
$A0
R2
221
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