ATMEGA168-15AZ Atmel, ATMEGA168-15AZ Datasheet - Page 291
ATMEGA168-15AZ
Manufacturer Part Number
ATMEGA168-15AZ
Description
MCU AVR 16K FLASH 15MHZ 32-TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA168-15AZ.pdf
(340 pages)
Specifications of ATMEGA168-15AZ
Package / Case
32-TQFP, 32-VQFP
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Operating Temperature
-40°C ~ 125°C
Speed
16MHz
Number Of I /o
23
Eeprom Size
512 x 8
Core Processor
AVR
Program Memory Type
FLASH
Ram Size
1K x 8
Program Memory Size
16KB (16K x 8)
Data Converters
A/D 8x10b
Oscillator Type
Internal
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Connectivity
I²C, SPI, UART/USART
Core Size
8-Bit
Cpu Family
ATmega
Device Core
AVR
Device Core Size
8b
Frequency (max)
16MHz
Interface Type
2-Wire/USART/Serial
Total Internal Ram Size
1KB
# I/os (max)
23
Number Of Timers - General Purpose
3
Operating Supply Voltage (typ)
3.3/5V
Operating Supply Voltage (max)
5.5V
Operating Supply Voltage (min)
2.7V
On-chip Adc
8-chx10-bit
Instruction Set Architecture
RISC
Operating Temp Range
-40C to 125C
Operating Temperature Classification
Automotive
Mounting
Surface Mount
Pin Count
32
Package Type
TQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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25.7.13
25.7.14
25.7.15
7530I–AVR–02/10
Reading the Signature Bytes
Reading the Calibration Byte
Parallel Programming Characteristics
Figure 25-6. Mapping Between BS1, BS2 and the Fuse and Lock Bits During Read
The algorithm for reading the Signature bytes is as follows (refer to
page 286
The algorithm for reading the Calibration byte is as follows (refer to
page 286
Figure 25-7. Parallel Programming Timing, Including some General Timing Requirements
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte (0x00 - 0x02).
3. Set OE to “0”, and BS1 to “0”. The selected Signature byte can now be read at DATA.
4. Set OE to “1”.
1. A: Load Command “0000 1000”.
2. B: Load Address Low Byte, 0x00.
3. Set OE to “0”, and BS1 to “1”. The Calibration byte can now be read at DATA.
4. Set OE to “1”.
(DATA, XA0/1, BS1, BS2)
for details on Command and Address loading):
for details on Command and Address loading):
Data & Contol
Fuse Low Byte
Extended Fuse Byte
RDY/BSY
Fuse High Byte
PAGEL
XTAL1
Lock Bits
WR
t
t
BVPH
DVXH
BS2
BS2
ATmega48/88/168 Automotive
t
t
XHXL
PHPL
0
1
0
1
t
t
t
t
XLDX
PLBX
XLWL
PLWL
t
BVWL
BS1
t
WLWH
WLRL
0
1
“Programming the Flash” on
“Programming the Flash” on
t
WLBX
DATA
t
WLRH
291
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