ATMEGA640V-8CU Atmel, ATMEGA640V-8CU Datasheet - Page 380
![IC MCU AVR 64K FLASH 100-CBGA](/photos/6/89/68968/313-100-cbga_sml.jpg)
ATMEGA640V-8CU
Manufacturer Part Number
ATMEGA640V-8CU
Description
IC MCU AVR 64K FLASH 100-CBGA
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA640V-8CU
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-TFBGA
Processor Series
ATMEGA64x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
8 KB
Interface Type
2-Wire, SPI, USART
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
86
Number Of Timers
6
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 16 Channel
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK503 - STARTER KIT AVR EXP MODULE 100P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 30-13. External Data Memory Characteristics, 2.7 to 5.5 Volts, No Wait-state (Continued)
Notes:
Table 30-14. External Data Memory Characteristics, 2.7 to 5.5 Volts, SRWn1 = 0, SRWn0 = 1
2549M–AVR–09/10
1
2
3a
3b
4
5
6
7
8
9
10
11
12
13
14
15
16
0
10
12
15
16
Symbol
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
1/t
t
t
t
t
LHLL
AVLL
LLAX_ST
LLAX_LD
AVLLC
AVRL
AVWL
LLWL
LLRL
DVRH
RLDV
RHDX
RLRH
DVWL
WHDX
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
1. This assumes 50% clock duty cycle. The half period is actually the high time of the external clock, XTAL1.
2. This assumes 50% clock duty cycle. The half period is actually the low time of the external clock, XTAL1.
CLCL
Parameter
ALE Pulse Width
Address Valid A to ALE Low
Address Hold After ALE Low,
write access
Address Hold after ALE Low,
read access
Address Valid C to ALE Low
Address Valid to RD Low
Address Valid to WR Low
ALE Low to WR Low
ALE Low to RD Low
Data Setup to RD High
Read Low to Data Valid
Data Hold After RD High
RD Pulse Width
Data Setup to WR Low
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Min
235
115
115
235
235
115
115
235
105
235
250
235
Min
485
500
485
45
5
5
0
4 MHz Oscillator
4 MHz Oscillator
ATmega640/1280/1281/2560/2561
Max
Max
130
130
190
440
0.5t
0.5t
0.5t
0.5t
0.5t
1.0t
1.0t
1.0t
1.0t
1.0t
2.0t
2.0t
t
1.0t
2.0t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
45
5
5
0
Variable Oscillator
Variable Oscillator
CLCL
CLCL
-15
-10
-10
-10
-10
-20
-15
-15
-15
-15
-15
-15
-15
(1)
(1)
(2)
(2)
(1)
0.5t
0.5t
1.0t
2.0t
CLCL
CLCL
Max
Max
CLCL
CLCL
8
+5
+5
-60
-60
(2)
(2)
Unit
Unit
MHz
ns
ns
380
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