ATMEGA128-16AI Atmel, ATMEGA128-16AI Datasheet - Page 320

• Manufacturer Part Number: ATMEGA128-16AI
• Description: IC AVR MCU 128K 16MHZ 64-TQFP
• Manufacturer: Atmel
• Series: AVR® ATmegar

Specifications of ATMEGA128-16AI

• 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): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: ATSTK501 - ADAPTER KIT FOR 64PIN AVR MCU
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: Q1167170A

Speed Grades
External Clock
Drive Waveforms
External Clock
Drive
320
ATmega128
Figure 152. Maximum frequency vs. V
Figure 153. External Clock Drive Waveforms
Table 131. External Clock Drive
Symbol
1/t
t
t
t
t
t
Δ
CLCL
CHCX
CLCX
CLCH
CHCL
t
CLCL
CLCL
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
Change in period from
one clock cycle to the
next
16MHz
8MHz
V
IL1
V
IH1
2.7V
V
Min
CC
125
50
50
CC
0
= 2.7V to
Safe Operating Area
Max
1.6
1.6
5.5
8
2
V
4.5V
V
62.5
CC
Min
25
25
0
= 4.5V to
Max
0.5
0.5
16
5.5
5.5V
2
V
Units
MHz
2467V–AVR–02/11
ns
ns
ns
μs
μs
%