AT89C5131A-TISIL Atmel, AT89C5131A-TISIL Datasheet - Page 70
AT89C5131A-TISIL
Manufacturer Part Number
AT89C5131A-TISIL
Description
IC 8051 MCU FLASH 32K USB 28SOIC
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5131A-TISIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
28-SOIC (7.5mm Width)
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Figure 38. Internal Baud Rate
70
AT89C5131A-L
Peripheral Clock
BRR
•
The baud rate for UART is token by formula:
/6
(BRL) = 256
Baud_Rate =
SPD
0
1
auto reload counter
-
2 x 6
2 x 6
BRG
BRL
(1-SPD)
(1-SPD)
2
2
SMOD1
overflow
SMOD1
x 16 x Baud_Rate
x 16 x [256 - (BRL)]
x F
x
F
CLK PERIPH
CLK PERIPH
/2
SMOD1
0
1
INT_BRG
4338F–USB–08/07
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