ATMEGA640-16AU Atmel, ATMEGA640-16AU Datasheet - Page 261
![IC MCU AVR 64K FLASH 100-TQFP](/photos/6/70/67048/313-100-tqfp_sml.jpg)
ATMEGA640-16AU
Manufacturer Part Number
ATMEGA640-16AU
Description
IC MCU AVR 64K FLASH 100-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA640-16AU
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
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)
2.7 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/SPI/USART
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
86
Number Of Timers
6
Operating Supply Voltage
4.5 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
16-ch x 10-bit
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
8KB
# I/os (max)
86
Number Of Timers - General Purpose
6
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
100
Package Type
TQFP
Controller Family/series
AVR MEGA
No. Of I/o's
86
Eeprom Memory Size
4KB
Ram Memory Size
8KB
Cpu Speed
16MHz
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:
ATMEGA640-16AU
Manufacturer:
OSRAM
Quantity:
12 000
Part Number:
ATMEGA640-16AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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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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