AT89C5132 Atmel Corporation, AT89C5132 Datasheet - Page 27

• Manufacturer Part Number: AT89C5132
• Manufacturer: Atmel Corporation

Specifications of AT89C5132

• Flash (kbytes): 64 Kbytes
• Max. Operating Frequency: 20 MHz
• Cpu: 8051-12C
• Max I/o Pins: 44
• Usb Transceiver: 1
• Usb Speed: Full Speed
• Usb Interface: Device
• Spi: 1
• Uart: 1
• Adc Channels: 2
• Adc Resolution (bits): 10
• Adc Speed (ksps): 22.7
• Sram (kbytes): 2.25
• Self Program Memory: API
• Operating Voltage (vcc): 2.7 to 3.6
• Timers: 2
• Isp: UART/USB
• Watchdog: Yes

API Commands
Read/Program Flash
Memory
4256B–USB–03/06
Several types of APIs are available:
•
•
•
•
•
To read the Flash memory the bootloader is not involved.
For more details on these routines see the AT89C5132 Datasheet section “Program/Code
Memory”.
Two routines are available to program the Flash:
•
•
•
Note:
Read/Program Flash memory
Read Configuration and Manufacturer Information
Program Configuration Information
Erase Flash
Start bootloader
–
–
The application program load the column latches of the Flash then call the
__api_wr_code_byte or __api_wr_code_page see the datasheet section “Program/Code
Memory
Parameter settings
Instruction: LCALL FFC0h.
__api_wr_code_page
__api_wr_code_byte
__api_wr_code_byte
__api_wr_code_page
No special resources are used by the bootloader during this operation
API Name
”.
api_command
0Dh
api_dph
–
api_dpl
–
AT89C5132
api_value
–
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