AT89C5130A-RDRUM Atmel, AT89C5130A-RDRUM Datasheet - Page 49
AT89C5130A-RDRUM
Manufacturer Part Number
AT89C5130A-RDRUM
Description
MCU 8051 16K FLASH USB 64-VQFP
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5130A-PUTUM.pdf
(188 pages)
Specifications of AT89C5130A-RDRUM
Core Processor
C52X2
Core Size
8-Bit
Speed
48MHz
Connectivity
I²C, SPI, UART/USART, USB
Peripherals
LED, POR, PWM, WDT
Number Of I /o
34
Program Memory Size
16KB (16K 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
64-TQFP, 64-VQFP
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89STK-05
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
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11.5.2
4337K–USB–04/08
Low Pin Count Hardware Conditions (QFN32)
Figure 11-4. Hardware conditions typical sequence during power-on.
Low pin count products do not have PSEN signal, thus for these products, the bootloader is
always executed after reset thanks to the BLJB bit. The Hardware Condition are detected at the
begining of the bootloader execution from reset.
The default factory Hardware Condition is assigned to port P1.
In order to offer the best flexibility, the user can define its own Hardware Condition on one of the
following Ports:
The Hardware Condition configuration are stored in three bytes called P1_CF, P3_CF, P4_CF.
These bytes can be modified by the user through a set of API or through an ISP command.
Note:
See a detailed description in the applicable Document.
• P1 must be equal to FEh
• Port1
• Port3
• Port4 (only bit0 and bit1)
– Datasheet Bootloader USB AT89C5131.
1. The BLJB must be at 0 (programmed) to be able to restart the bootloader.
2. BLJB can always be changed by the means of API, whether it's a low or high pin count pack-
age.But for a low pin count version, if BLJB=1, no ISP via the Bootloader is further possible
(because the HW conditions are never evaluated, as described in the USB Bootloader
Datasheet). To go back to ISP, BLJB needs to be changed by a parallel programmer(or by the
APIs).
VCC
PSEN
RST
AT89C5130A/31A-M
49
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