ATMEGA128A-MN Atmel, ATMEGA128A-MN Datasheet - Page 334
ATMEGA128A-MN
Manufacturer Part Number
ATMEGA128A-MN
Description
IC MCU AVR 128K FLASH 64VQFN
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-MN
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-TQFP
Core
AVR8
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
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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
334
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