ATA6603P-PLQW Atmel, ATA6603P-PLQW Datasheet - Page 215
![MCU W/LIN TXRX REG WTCHDG 48-QFN](/photos/6/82/68297/48-qfn_sml.jpg)
ATA6603P-PLQW
Manufacturer Part Number
ATA6603P-PLQW
Description
MCU W/LIN TXRX REG WTCHDG 48-QFN
Manufacturer
Atmel
Series
AVR® ATA66 LIN-SBCr
Datasheet
1.ATA6603P-PLQW.pdf
(360 pages)
Specifications of ATA6603P-PLQW
Core Processor
AVR
Core Size
8-Bit
Speed
16MHz
Connectivity
I²C, LIN, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
23
Program Memory Size
16KB (16K x 8)
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 ~ 125°C
Package / Case
48-QFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ATA6603P-PLQW
Manufacturer:
ATMEL
Quantity:
2 000
Part Number:
ATA6603P-PLQW
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
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4.17.9.5
4.17.10
4921E–AUTO–09/09
Examples of Baud Rate Setting
USART Baud Rate Registers – UBRRnL and UBRRnH
For standard crystal and resonator frequencies, the most commonly used baud rates for asyn-
chronous operation can be generated by using the UBRRn settings in
UBRRn values which yield an actual baud rate differing less than 0.5% from the target baud
rate, are bold in the table. Higher error ratings are acceptable, but the Receiver will have less
noise resistance when the error ratings are high, especially for large serial frames (see
chronous Operational Range” on page
equation:
Error[%]
• Bit 15:12 – Reserved Bits
• Bit 11:0 – UBRR11:0: USART Baud Rate Register
Initial Value
Read/Write
These bits are reserved for future use. For compatibility with future devices, these bit must
be written to zero when UBRRnH is written.
This is a 12-bit register which contains the USART baud rate. The UBRRnH contains the
four most significant bits, and the UBRRnL 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 UBRRnL will trigger an immediate update of the baud
rate prescaler.
Bit
=
BaudRate
------------------------------------------------------- - 1
R/W
BaudRate
15
R
–
7
0
0
Closest Match
R/W
14
R
–
6
0
0
–
R/W
13
R
–
5
0
0
100%
208). The error values are calculated using the following
R/W
12
UBRRn[7:0]
R
–
4
0
0
R/W
R/W
11
3
0
0
ATA6602/ATA6603
R/W
R/W
10
UBRRn[11:8]
2
0
0
R/W
R/W
Table 4-79 on page
9
1
0
0
R/W
R/W
8
0
0
0
UBRRnH
UBRRnL
“Asyn-
216.
215
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