ATMEGA640V-8AU Atmel, ATMEGA640V-8AU Datasheet - Page 231
![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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Table 21-12. Examples of UBRRn Settings for Commonly Used Oscillator Frequencies (Continued)
1.
2549M–AVR–09/10
Max.
115.2 K
230.4 K
14.4 K
19.2 K
28.8 K
38.4 K
57.6 K
76.8 K
250 K
Baud
(bps)
0.5 M
Rate
2400
4800
9600
1 M
(1)
UBRR = 0, Error = 0.0%
UBRR
416
207
103
68
51
34
25
16
12
8
3
3
1
0
U2Xn = 0
1 Mbps
f
osc
-0.1%
-0.8%
-3.5%
Error
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.2%
8.5%
0.0%
0.0%
0.0%
= 16.0000 MHz
UBRR
832
416
207
138
103
68
51
34
25
16
8
7
3
1
U2Xn = 1
2 Mbps
-0.1%
-0.1%
-0.8%
-3.5%
Error
0.0%
0.2%
0.2%
0.6%
0.2%
0.2%
2.1%
0.0%
0.0%
0.0%
UBRR
479
239
119
79
59
39
29
19
14
9
4
4
–
–
1.152 Mbps
U2Xn = 0
f
osc
ATmega640/1280/1281/2560/2561
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
–
–
= 18.4320 MHz
UBRR
959
479
239
159
119
79
59
39
29
19
9
8
2.304 Mbps
4
–
U2Xn = 1
-7.8%
Error
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
0.0%
2.4%
0.0%
0.0%
–
UBRR
520
259
129
86
64
42
21
15
10
32
4
4
–
–
1.25 Mbps
U2Xn = 0
f
osc
-0.2%
-1.4%
-1.4%
-1.4%
Error
0.0%
0.2%
0.2%
0.2%
0.9%
1.7%
8.5%
0.0%
–
–
= 20.0000 MHz
UBRR
1041
520
259
173
129
21
86
64
42
32
10
9
4
–
U2Xn = 1
2.5 Mbps
-0.2%
-0.2%
-1.4%
-1.4%
-1.4%
Error
0.0%
0.0%
0.2%
0.2%
0.2%
0.9%
0.0%
0.0%
–
231
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