AT89C5131A-L

Manufacturer Part NumberAT89C5131A-L
ManufacturerAtmel Corporation
AT89C5131A-L datasheets
 

Specifications of AT89C5131A-L

Flash (kbytes)32 KbytesMax. Operating Frequency48 MHz
Cpu8051-12CMax I/o Pins34
Usb Transceiver1Usb SpeedFull Speed
Usb InterfaceDeviceSpi1
Twi (i2c)1Uart1
Sram (kbytes)1.25Eeprom (bytes)1024
Self Program MemoryAPIOperating Voltage (vcc)3.0 to 3.6
Timers4IspUART/USB
WatchdogYes  
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Page 21
22
Page 22
23
Page 23
24
Page 24
25
Page 25
26
Page 26
27
Page 27
28
Page 28
29
Page 29
30
Page 30
31
32
33
34
Page 22/34

Download datasheet (326Kb)Embed
PrevNext
Reading Configuration
The flow described below allows the user to read the configuration or manufacturer information.
Information or
Manufacturer
Information
Requests From Host
To start the programming operation, the Host sends DFU_DNLOAD request with the Read com-
mand in the data field (2 bytes).
AT89C5131A USB Bootloader
22
SETUP
OUT
IN
Command
Identifier
data[0]
data[1]
00h
00h
01h
02h
00h
01h
02h
03h
Id_read_command
04h
05h
01h
05h
06h
30h
31h
60h
61h
02h
00h
DFU_DNLOAD
Read_command (2 bytes)
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