ATMEGA168-15AZ Atmel, ATMEGA168-15AZ Datasheet - Page 148
![MCU AVR 16K FLASH 15MHZ 32-TQFP](/photos/6/91/69154/313-32-tqfp_sml.jpg)
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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148
ATmega48/88/168 Automotive
Table 15-6
rect PWM mode.
Table 15-6.
Note:
• Bits 3, 2 – Res: Reserved Bits
These bits are reserved bits in the ATmega48/88/168 and will always read as zero.
• Bits 1:0 – WGM21:0: Waveform Generation Mode
Combined with the WGM22 bit found in the TCCR2B Register, these bits control the counting
sequence of the counter, the source for maximum (TOP) counter value, and what type of wave-
form generation to be used, see
unit are: Normal mode (counter), Clear Timer on Compare Match (CTC) mode, and two types of
Pulse Width Modulation (PWM) modes (see
Table 15-7.
Notes:
Mode
COM2B1
0
1
2
3
4
5
6
7
0
0
1
1
1. A special case occurs when OCR2B equals TOP and COM2B1 is set. In this case, the Com-
1. MAX= 0xFF
2. BOTTOM= 0x00
WGM2
pare Match is ignored, but the set or clear is done at TOP. See
page 143
shows the COM2B1:0 bit functionality when the WGM22:0 bits are set to phase cor-
0
0
0
0
1
1
1
1
Compare Output Mode, Phase Correct PWM Mode
Waveform Generation Mode Bit Description
COM2B0
for more details.
WGM1
0
1
0
1
0
0
1
1
0
0
1
1
Description
Normal port operation, OC2B disconnected.
Reserved
Clear OC2B on Compare Match when up-counting. Set OC2B on
Compare Match when down-counting.
Set OC2B on Compare Match when up-counting. Clear OC2B on
Compare Match when down-counting.
WGM0
Table
0
1
0
1
0
1
0
1
15-7. Modes of operation supported by the Timer/Counter
Timer/Counter
Mode of
Operation
Normal
PWM, Phase
Correct
CTC
Fast PWM
Reserved
PWM, Phase
Correct
Reserved
Fast PWM
“Modes of Operation” on page
OCRA
OCRA
OCRA
0xFF
0xFF
0xFF
TOP
–
–
(1)
“Phase Correct PWM Mode” on
Immediate
Immediate
Update of
OCRx at
TOP
TOP
TOP
TOP
–
–
140).
7530I–AVR–02/10
Set on
TOV Flag
BOTTOM
BOTTOM
MAX
MAX
MAX
TOP
–
–
(1)(2)
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