ATMEGA128A-AU Atmel, ATMEGA128A-AU Datasheet - Page 89
![MCU 8BIT 128K ISP FLASH 64-TQFP](/photos/12/13/121332/313-64-tqfp_sml.jpg)
ATMEGA128A-AU
Manufacturer Part Number
ATMEGA128A-AU
Description
MCU 8BIT 128K ISP FLASH 64-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA128A-AU
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, 64-VQFP
Processor Series
ATMEGA128x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
4 KB
Interface Type
JTAG
Maximum Clock Frequency
16 MHz
Number Of Programmable I/os
53
Number Of Timers
4
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
Development Tools By Supplier
ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
On-chip Dac
10 bit, 8 Channel
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Total Internal Ram Size
4KB
# I/os (max)
53
Number Of Timers - General Purpose
4
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 85C
Operating Temperature Classification
Industrial
Mounting
Surface Mount
Pin Count
64
Package Type
TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
Q4784435
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL
Quantity:
9 000
Company:
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL
Quantity:
3 480
Part Number:
ATMEGA128A-AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
Company:
Part Number:
ATMEGA128A-AUR
Manufacturer:
ATMEL
Quantity:
3 000
Part Number:
ATMEGA128A-AUR
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
- Current page: 89 of 386
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12.4.17
12.4.18
12.4.19
12.4.20
12.4.21
12.4.22
8151H–AVR–02/11
PORTF - Port F Data Register
DDRF - Port F Data Direction Register
PINF - Port F Input Pins Address
PORTG - Port G Data Register
DDRG - Port G Data Direction Register
PING - Port G Input Pins Address
Note that PORTF and DDRF Registers are not available in ATmega103 compatibility mode
where Port F serves as digital input only.
Note that PORTG, DDRG, and PING are not available in ATmega103 compatibility mode. In the
ATmega103 compatibility mode Port G serves its alternate functions only (TOSC1, TOSC2, WR,
RD and ALE).
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
Bit
Read/Write
Initial Value
PORTF7
PINF7
DDF7
R/W
R/W
N/A
R
R
7
–
0
R
R
7
0
7
0
7
7
–
0
7
–
0
PORTF6
PINF6
DDF6
R/W
R/W
N/A
R
6
–
0
R
R
R
6
0
6
0
6
6
–
0
6
–
0
PORTF5
PINF5
DDF5
R/W
R/W
N/A
R
5
–
0
R
R
R
5
0
5
5
–
0
5
0
5
–
0
PORTG4
PORTF4
PINF4
PING4
DDG4
DDF4
R/W
R/W
R/W
R/W
N/A
N/A
4
0
R
4
R
4
0
4
4
0
4
0
PORTG3
PORTF3
PING3
PINF3
DDG3
DDF3
R/W
R/W
R/W
R/W
N/A
N/A
R
3
0
3
R
3
0
3
3
0
3
0
PORTG2
PORTF2
PING2
PINF2
DDG2
DDF2
R/W
R/W
N/A
R/W
R/W
N/A
R
2
0
2
R
2
0
2
2
0
2
0
PORTG1
PORTF1
PINF1
PING1
ATmega128A
DDG1
DDF1
R/W
R/W
N/A
R/W
R/W
N/A
R
1
1
0
R
1
0
1
1
0
1
0
PORTG0
PORTF0
PINF0
PING0
DDG0
DDF0
R/W
N/A
R/W
R/W
R/W
N/A
R
0
R
0
0
0
0
0
0
0
0
0
PORTG
PORTF
DDRG
DDRF
PINF
PING
89
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