AT89C5131A-RDTIL Atmel, AT89C5131A-RDTIL Datasheet - Page 33
AT89C5131A-RDTIL
Manufacturer Part Number
AT89C5131A-RDTIL
Description
IC 8051 MCU FLASH 32K USB 64VQFP
Manufacturer
Atmel
Series
AT89C513xr
Specifications of AT89C5131A-RDTIL
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
64-TQFP, 64-VQFP
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
-
Other names
AT89C5131-RDTIL
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Hardware Security
4338F–USB–08/07
The following procedure is used to program the Hardware Security space and is sum-
marized in Figure 19:
•
•
•
•
•
•
•
Figure 19. Hardware Programming Procedure
Set FPS and map Hardware byte (FCON = 0x0C)
Disable the interrupts.
Load DPTR at address 0000h.
Load Accumulator register with the data to load.
Execute the MOVX @DPTR, A instruction.
Launch the programming by writing the data sequence 54h followed by A4h in
FCON register.
The end of the programming indicated by the FBusy flag cleared.
Enable the interrupts.
Exec: MOVX @DPTR, A
Launch Programming
End Programming
Programming
Flash Spaces
FCON = A4h
FCON = 54h
Erase Mode
FCON = 00h
FCON = 0Ch
DPTR = 00h
ACC = Data
Cleared?
Data Load
Disable IT
Enable IT
FBusy
EA = 0
EA = 1
33
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