ATMEGA3250V-8AU Atmel, ATMEGA3250V-8AU Datasheet - Page 184
ATMEGA3250V-8AU
Manufacturer Part Number
ATMEGA3250V-8AU
Description
IC AVR MCU 32K 8MHZ 100TQFP
Manufacturer
Atmel
Series
AVR® ATmegar
Specifications of ATMEGA3250V-8AU
Core Processor
AVR
Core Size
8-Bit
Speed
8MHz
Connectivity
SPI, UART/USART, USI
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
69
Program Memory Size
32KB (16K x 16)
Program Memory Type
FLASH
Eeprom Size
1K x 8
Ram Size
2K x 8
Voltage - Supply (vcc/vdd)
1.8 V ~ 5.5 V
Data Converters
A/D 8x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-TQFP, 100-VQFP
Processor Series
ATMEGA32x
Core
AVR8
Data Bus Width
8 bit
Data Ram Size
2 KB
Interface Type
SPI, UART, USI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
69
Number Of Timers
3
Operating Supply Voltage
1.8 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 8 Channel
Package
100TQFP
Device Core
AVR
Family Name
ATmega
Maximum Speed
8 MHz
For Use With
ATSTK600-TQFP100 - STK600 SOCKET/ADAPTER 100-TQFP770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAG770-1005 - ISP 4PORT FOR ATMEL AVR MCU JTAG770-1004 - ISP 4PORT FOR ATMEL AVR MCU SPIATAVRISP2 - PROGRAMMER AVR IN SYSTEMATSTK504 - STARTER KIT AVR EXP MOD 100P LCD
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ATMEGA3250V-8AU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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- Download datasheet (7Mb)
19.11.5
2570M–AVR–04/11
UBRRnL and UBRRnH – USART Baud Rate Registers
• Bit 15:12 – Reserved Bits
These bits are reserved for future use. For compatibility with future devices, these bit must be
written to zero when UBRRH is written.
• Bit 11:0 – UBRR11:0: USART Baud Rate Register
This is a 12-bit register which contains the USART baud rate. The UBRRH contains the four
most significant bits, and the UBRRL contains the eight least significant bits of the USART baud
rate. Ongoing transmissions by the Transmitter and Receiver will be corrupted if the baud rate is
changed. Writing UBRRL will trigger an immediate update of the baud rate prescaler.
Bit
Read/Write
Initial Value
R/W
15
R
–
7
0
0
R/W
14
R
–
6
0
0
R/W
13
R
–
5
0
0
R/W
12
R
–
4
0
0
UBRRn[7:0]
ATmega325/3250/645/6450
R/W
R/W
11
3
0
0
R/W
R/W
10
UBRRn[11:8]
2
0
0
R/W
R/W
9
1
0
0
R/W
R/W
8
0
0
0
UBRRnH
UBRRnL
184
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