ATmega168A Atmel Corporation, ATmega168A Datasheet - Page 7

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ATmega168A

Manufacturer Part Number
ATmega168A
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of ATmega168A

Flash (kbytes)
16 Kbytes
Pin Count
32
Max. Operating Frequency
20 MHz
Cpu
8-bit AVR
# Of Touch Channels
16
Hardware Qtouch Acquisition
No
Max I/o Pins
23
Ext Interrupts
24
Usb Speed
No
Usb Interface
No
Spi
2
Twi (i2c)
1
Uart
1
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
Yes
Crypto Engine
No
Sram (kbytes)
1
Eeprom (bytes)
512
Self Program Memory
YES
Dram Memory
No
Nand Interface
No
Picopower
No
Temp. Range (deg C)
-40 to 85
I/o Supply Class
1.8 to 5.5
Operating Voltage (vcc)
1.8 to 5.5
Fpu
No
Mpu / Mmu
no / no
Timers
3
Output Compare Channels
6
Input Capture Channels
1
Pwm Channels
6
32khz Rtc
Yes
Calibrated Rc Oscillator
Yes

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8271D–AVR–05/11
Table 2-1.
ATmega48A/PA/88A/PA/168A/PA/328/P support a real Read-While-Write Self-Programming
mechanism. There is a separate Boot Loader Section, and the SPM instruction can only execute
from there. In ATmega 48A/48PA there is no Read-While-Write support and no separate Boot
Loader Section. The SPM instruction can execute from the entire Flash.
Device
ATmega88PA
ATmega168A
ATmega168PA
ATmega328
ATmega328P
Memory Size Summary (Continued)
Flash
8KBytes
16KBytes
16KBytes
32KBytes
32KBytes
ATmega48A/PA/88A/PA/168A/PA/328/P
EEPROM
512Bytes
512Bytes
512Bytes
1KBytes
1KBytes
RAM
1KBytes
1KBytes
1KBytes
2KBytes
2KBytes
2 instruction words/vector
2 instruction words/vector
Interrupt Vector Size
1 instruction word/vector
2 instruction words/vector
2 instruction words/vector
7

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