AT90S8515-4PI Atmel, AT90S8515-4PI Datasheet - Page 57
AT90S8515-4PI
Manufacturer Part Number
AT90S8515-4PI
Description
IC MCU 8K FLSH 4MHZ LV IT 40DIP
Manufacturer
Atmel
Series
AVR® 90Sr
Datasheets
1.AT90S8515-4AC.pdf
(112 pages)
2.AT90S8515-4AC.pdf
(4 pages)
3.AT90S8515-4AC.pdf
(4 pages)
Specifications of AT90S8515-4PI
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
8KB (4K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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BAUD Rate Generator
0841G–09/01
The baud rate generator is a frequency divider that generates baud rates according to
the following equation:
•
•
•
For standard crystal frequencies, the most commonly used baud rates can be generated
by using the UBRR settings in Table 17. UBRR values that yield an actual baud rate dif-
fering less than 2% from the target baud rate are boldface in the table. However, using
baud rates that have more than 1% error is not recommended. High error ratings give
less noise immunity.
BAUD = Baud rate
f
UBRR = Contents of the UART Baud Rate register, UBRR (0 - 255)
CK
= Crystal Clock frequency
BAUD
=
------------------------------------ -
16(UBRR
f
CK
+
1)
AT90S8515
57
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