ATmega128A Atmel Corporation, ATmega128A Datasheet - Page 11

• Manufacturer Part Number: ATmega128A
• Manufacturer: Atmel Corporation

Specifications of ATmega128A

• Flash (kbytes): 128 Kbytes
• Pin Count: 64
• Max. Operating Frequency: 16 MHz
• Cpu: 8-bit AVR
• # Of Touch Channels: 16
• Hardware Qtouch Acquisition: No
• Max I/o Pins: 53
• Ext Interrupts: 8
• Usb Speed: No
• Usb Interface: No
• Spi: 1
• Twi (i2c): 1
• Uart: 2
• Graphic Lcd: No
• Video Decoder: No
• Camera Interface: No
• Adc Channels: 8
• Adc Resolution (bits): 10
• Adc Speed (ksps): 15
• Analog Comparators: 1
• Resistive Touch Screen: No
• Temp. Sensor: No
• Crypto Engine: No
• Sram (kbytes): 4
• Eeprom (bytes): 4096
• Self Program Memory: YES
• Dram Memory: No
• Nand Interface: No
• Picopower: No
• Temp. Range (deg C): -40 to 85
• I/o Supply Class: 2.7 to 5.5
• Operating Voltage (vcc): 2.7 to 5.5
• Fpu: No
• Mpu / Mmu: no / no
• Timers: 4
• Output Compare Channels: 8
• Input Capture Channels: 2
• Pwm Channels: 7
• 32khz Rtc: Yes
• Calibrated Rc Oscillator: Yes

5. Register Summary (Continued)
Notes:
8151HS–AVR–02/11
Address
$02 ($22)
$01 ($21)
$00 ($20)
1. For compatibility with future devices, reserved bits should be written to zero if accessed. Reserved I/O memory addresses
2. Some of the status flags are cleared by writing a logical one to them. Note that the CBI and SBI instructions will operate on
should never be written.
all bits in the I/O register, writing a one back into any flag read as set, thus clearing the flag. The CBI and SBI instructions
work with registers $00 to $1F only.
Name
DDRE
PINE
PINF
PINE7
PINF7
DDE7
Bit 7
PINE6
PINF6
DDE6
Bit 6
PINE5
PINF5
DDE5
Bit 5
PINE4
PINF4
DDE4
Bit 4
PINE3
PINF3
DDE3
Bit 3
PINE2
PINF2
DDE2
Bit 2
PINE1
PINF1
DDE1
Bit 1
ATmega128A
PINE0
DDE0
PINF0
Bit 0
Page
88
88
89
11