ATMEGA8L-8AUR Atmel, ATMEGA8L-8AUR Datasheet - Page 151
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ATMEGA8L-8AUR
Manufacturer Part Number
ATMEGA8L-8AUR
Description
MCU AVR 8KB FLASH 8MHZ 32TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA8L-8MU.pdf
(302 pages)
Specifications of ATMEGA8L-8AUR
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K 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
*
Package
32TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
Operating Supply Voltage
3.3|5 V
Data Bus Width
8 Bit
Number Of Programmable I/os
23
Interface Type
SPI/TWI/USART
On-chip Adc
8-chx10-bit
Number Of Timers
3
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATMEGA8L-8AUR
Manufacturer:
Atmel
Quantity:
3 915
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2486Z–AVR–02/11
• Bit 5:4 – UPM1:0: Parity Mode
These bits enable and set type of Parity Generation and Check. If enabled, the Transmitter will
automatically generate and send the parity of the transmitted data bits within each frame. The
Receiver will generate a parity value for the incoming data and compare it to the UPM0 setting.
If a mismatch is detected, the PE Flag in UCSRA will be set.
Table 56. UPM Bits Settings
• Bit 3 – USBS: Stop Bit Select
This bit selects the number of stop bits to be inserted by the Transmitter. The Receiver ignores
this setting.
Table 57. USBS Bit Settings
• Bit 2:1 – UCSZ1:0: Character Size
The UCSZ1:0 bits combined with the UCSZ2 bit in UCSRB sets the number of data bits (Char-
acter Size) in a frame the Receiver and Transmitter use.
Table 58. UCSZ Bits Settings
UCSZ2
UPM1
0
0
0
0
1
1
1
1
0
0
1
1
USBS
0
1
UCSZ1
UPM0
0
0
1
1
0
0
1
1
0
1
0
1
Parity Mode
Disabled
Reserved
Enabled, Even Parity
Enabled, Odd Parity
UCSZ0
0
1
0
1
0
1
0
1
Stop Bit(s)
Character Size
5-bit
6-bit
7-bit
8-bit
Reserved
Reserved
Reserved
9-bit
1-bit
2-bit
ATmega8(L)
151
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