ATMEGA1281V-8MU Atmel, ATMEGA1281V-8MU Datasheet - Page 381
ATMEGA1281V-8MU
Manufacturer Part Number
ATMEGA1281V-8MU
Description
IC MCU AVR 128K FLASH 64-QFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA1281V-8MU
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
54
Program Memory Size
128KB (64K 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 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
64-MLF®, 64-QFN
Processor Series
ATMEGA128x
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
54
Number Of Timers
6
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
EWAVR, EWAVR-BL
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit
For Use With
ATSTK600-TQFP64 - STK600 SOCKET/ADAPTER 64-TQFPATAVRDB101 - MODULE DISPLAY LCD/RGB BACKLIGHT770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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Table 30-15. External Data Memory Characteristics, 2.7 to 5.5 Volts, SRWn1 = 1, SRWn0 = 0
Table 30-16. External Data Memory Characteristics, 2.7 to 5.5 Volts, SRWn1 = 1, SRWn0 = 1
2549M–AVR–09/10
0
10
12
15
16
0
10
12
14
15
16
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
t
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
CLCL
CLCL
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Figure 30-9. External Memory Timing (SRWn1 = 0, SRWn0 = 0
System Clock (CLK
DA7:0 (XMBK = 0)
DA7:0
A15:8
CPU
ALE
WR
RD
)
Prev. addr.
Prev. data
Min
735
750
735
Min
735
485
750
735
4 MHz Oscillator
4 MHz Oscillator
ATmega640/1280/1281/2560/2561
T1
1
Address
Address
4
2
Max
Max
690
690
5
T2
6
3a
3b
XX
7
8
13
10
3.0t
3.0t
3.0t
2.0t
3.0t
Address
3.0t
3.0t
T3
15
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
12
Data
Data
16
Variable Oscillator
Variable Oscillator
CLCL
CLCL
9
-15
-15
-15
-15
-15
11
3.0t
3.0t
T4
14
Max
Max
CLCL
CLCL
8
8
-60
-60
MHz
MHz
Unit
Unit
ns
ns
381
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