ATMEGA128A-MU Atmel, ATMEGA128A-MU Datasheet - Page 334

• Manufacturer Part Number: ATMEGA128A-MU
• Description: MCU 8BIT 128K ISP FLASH 64-QFN
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128A-MU

• 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: 53
• Program Memory Size: 128KB (64K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 4K x 8
• Ram Size: 4K x 8
• Voltage - Supply (vcc/vdd): 2.7 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
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Controller Family/series: AVR MEGA
• No. Of I/o's: 53
• Eeprom Memory Size: 4KB
• Ram Memory Size: 4KB
• Cpu Speed: 16MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Table 27-16. External Data Memory Characteristics, 2.7V - 5.5 V, SRWn1 = 1, SRWn0 = 1
8151H–AVR–02/11
0
10
12
14
15
16
Symbol
1/t
t
t
t
t
t
RLDV
RLRH
WHDX
DVWH
WLWH
CLCL
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 27-9. 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
485
750
735
4MHz Oscillator
T1
1
Address
Address
4
2
Max
690
5
T2
6
3a
3b
XX
7
8
13
10
3.0t
2.0t
3.0t
3.0t
Address
T3
15
Min
CLCL
CLCL
CLCL
0.0
12
Data
Data
16
Variable Oscillator
CLCL
9
-15
-15
-15
11
ATmega128A
3.0t
T4
14
Max
CLCL
8
-60
MHz
Unit
ns
ns
ns
ns
ns
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