AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 31
AT89C5131-S3SIL
Manufacturer Part Number
AT89C5131-S3SIL
Description
IC 8051 MCU FLASH 32K USB 52PLCC
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5131-S3SIL.pdf
(176 pages)
Specifications of AT89C5131-S3SIL
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
34
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
52-PLCC
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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Extra Row
4136B–USB–09/03
The following procedure is used to program the Extra Row space and is summarized in
Figure 16:
•
•
•
•
Figure 16. Flash and Extra Row Programming Procedure
Load data in the column latches from address FF80h to FFFFh.
Disable the interrupts.
Launch the programming by writing the data sequence 52h followed by A2h in
FCON register.
The end of the programming indicated by the FBUSY flag cleared.
Enable the interrupts.
Column Latches Loading
Launch Programming
End Programming
Programming
Flash Spaces
see Figure 15
FCON = Axh
FCON = 5xh
Erase Mode
FCON = 00h
Cleared?
Disable IT
Enable IT
FBusy
EA = 0
EA = 1
AT89C5131
31
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