AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 22

no-image

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
Reading Configuration
Information or
Manufacturer
Information
Requests From Host
22
AT89C5131A USB Bootloader
The flow described below allows the user to read the configuration or manufacturer information.
To start the programming operation, the Host sends DFU_DNLOAD request with the Read com-
mand in the data field (2 bytes).
Id_read_command
Command
Identifier
05h
SETUP
OUT
IN
data[0]
00h
01h
02h
data[1]
00h
01h
02h
00h
01h
02h
03h
04h
05h
06h
30h
31h
60h
61h
00h
Read_command (2 bytes)
DFU_DNLOAD
ZLP
data[2]
data[3]
data[4]
Read Bootloader Version
Read Device boot ID1
Read Device boot ID2
Read BSB
Read SBV
Read P1_CF
Read P3_CF
Read P4_CF
Read SSB
Read EB
Read Manufacturer Code
Read Family Code
Read Product Name
Read Product Revision
Read HWB
Description
4287E–USB–04/08

Related parts for AT89C5131A-L