AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 27

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AT89C5131A-L

Manufacturer Part Number
AT89C5131A-L
Description
Manufacturer
Atmel Corporation
Datasheets

Specifications of AT89C5131A-L

Flash (kbytes)
32 Kbytes
Max. Operating Frequency
48 MHz
Cpu
8051-12C
Max I/o Pins
34
Usb Transceiver
1
Usb Speed
Full Speed
Usb Interface
Device
Spi
1
Twi (i2c)
1
Uart
1
Sram (kbytes)
1.25
Eeprom (bytes)
1024
Self Program Memory
API
Operating Voltage (vcc)
3.0 to 3.6
Timers
4
Isp
UART/USB
Watchdog
Yes
Read Configuration
and Manufacturer
Information
4287E–USB–04/08
Note:
Parameter settings
Instruction: LCALL FFC0h.
At the complete API execution by the bootloader, the value to read is in the api_value
variable.
API Name
__api_rd_HSB
__api_rd_BSB
__api_rd_SBV
__api_rd_P1_CF
__api_rd_P3_CF
__api_rd_P4_CF
__api_rd_SSB
__api_rd_EB
__api_rd_manufacturer
__api_rd_device_id1
__api_rd_device_id2
__api_rd_device_id3
__api_rd_bootloader_version
No special resources are used by the bootloader during this operation
api_command
AT89C5131A USB Bootloader
0Eh
08h
05h
05h
05h
05h
05h
05h
05h
05h
05h
05h
05h
api_dph
api_dpl
00h
00h
01h
02h
03h
04h
05h
06h
30h
31h
60h
61h
00h
manufacturer id
return P1_CF
return P3_CF
return P4_CF
return value
api_value
return HSB
return BSB
return SBV
return SSB
return EB
return id1
return id2
return id3
return
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