AT89C5131A-L Atmel Corporation, AT89C5131A-L Datasheet - Page 8

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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
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Figure 3. High-pin Count Regular Boot Process
8
AT89C5131A USB Bootloader
S ta rt A p p lica tio n
E N B O O T = 0
P C = 0000h
S ta rt U se r B o o tlo a d e r
Y es
F C O N = 00h
S B V < 7F h
Y es
H ardw are
C ondition
B LJ B = 1
R E S E T
N o
N o
N o
N o
Y es
E N B O O T = 1
F C O N = 0F h
P C = F 400h
Y es
B it E N B O O T in A U XR 1 R egis ter is
Initialized with B LJ B inverted
E N B O O T = 1
F C O N = 00h
P C = F 400h
S ta rt B o o tlo a d e r
4287E–USB–04/08

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