AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 47
AT89C5131A-PUTIM
Manufacturer Part Number
AT89C5131A-PUTIM
Description
IC 8051 MCU FLASH 32K USB 32QFN
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5131A-PUTIM
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
18
Program Memory Size
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
For Use With
AT89STK-10 - KIT EVAL APPL MASS STORAGEAT89STK-05 - KIT STARTER FOR AT89C5131
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Figure 11-2. Hardware Boot Process Algorithm
11.3
11.4
4337K–USB–04/08
Application-Programming-Interface
XROW Bytes
Application
in FM0
Several Application Program Interface (API) calls are available for use by an application pro-
gram to permit selective erasing and programming of Flash pages. All calls are made by
functions.
All these APIs are described in detail in the following document on the Atmel web site.
The EXTRA ROW (XROW) includes 128 bytes. Some of these bytes are used for specific pur-
pose in conjonction with the bootloader.
Table 11-1.
– Datasheet Bootloader USB AT89C5131.
ENBOOT = 0
PC = 0000h
Description
Copy of the Manufacturer Code
Copy of the Device ID#1: Family code
Copy of the Device ID#2: Memories size and type
XROW Mapping
Bootloader
in FM1
BLJB == 0
RESET
?
ENBOOT = 1
PC = F400h
bit ENBOOT in AUXR1 Register
Is Initialized with BLJB Inverted.
Example, if BLJB=0, ENBOOT
is set (=1) during reset, thus the
bootloader is executed after the
reset.
AT89C5130A/31A-M
Default Value
D7h
BBh
58h
Address
30h
31h
60h
47
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