ATMEGA640V-8AU Atmel, ATMEGA640V-8AU Datasheet - Page 261
![IC MCU AVR 64K FLASH 100-TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA640V-8AU
Manufacturer Part Number
ATMEGA640V-8AU
Description
IC MCU AVR 64K FLASH 100-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA640V-8AU
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
86
Program Memory Size
64KB (32K x 16)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 16x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, JTAG, SPI
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
86
Number Of Timers
8
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
Controller Family/series
AVR MEGA
No. Of I/o's
86
Eeprom Memory Size
4KB
Ram Memory Size
8KB
Cpu Speed
8MHz
Rohs Compliant
Yes
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK503 - STARTER KIT AVR EXP MODULE 100P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA640V-8AU
Manufacturer:
PHILIPS
Quantity:
56
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23.7.4
2549M–AVR–09/10
Slave Transmitter Mode
Figure 23-16. 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
are zero or are masked to zero.
Figure 23-17. Data Transfer in Slave Transmitter Mode
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
Figure
From master to slave
From slave to master
SDA
SCL
23-17). All the status codes mentioned in this section assume that the prescaler bits
S
TRANSMITTER
Device 1
SLAVE
SLA
General Call
ATmega640/1280/1281/2560/2561
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
Device n
V
CC
$80
$90
A
A
R1
DATA
DATA
R2
$80
$90
$88
$98
A
A
A
A
P or S
P or S
P or S
P or S
$A0
$A0
261
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