AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 117
AT89C5131-S3SIL
Manufacturer Part Number
AT89C5131-S3SIL
Description
IC 8051 MCU FLASH 32K USB 52PLCC
Manufacturer
Atmel
Series
AT89C513xr
Datasheet
1.AT89C5131-S3SIL.pdf
(176 pages)
Specifications of AT89C5131-S3SIL
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
32KB (32K x 8)
Program Memory Type
FLASH
Eeprom Size
4K x 8
Ram Size
1.25K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-PLCC
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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Function Interface Unit (FIU)
Figure 55. UFI Block Diagram
Figure 56. Minimum Intervention from the USB Device Firmware
4136B–USB–09/03
HOST
UFI
C51
IN Transactions:
HOST
UFI
C51
OUT Transactions:
DPLL
SIE
OUT DATA0 (n bytes)
IN
Endpoint FIFO write
NACK
FIU
The Function Interface Unit provides the interface between the AT89C5131 and the SIE.
It manages transactions at the packet level with minimal intervention from the device
firmware, which reads and writes the endpoint FIFOs.
DPR Control
USB Side
Transfer
Control
FSM
ACK
Asynchronous Information
Transfer
IN
interrupt C51
User DPRAM
DATA1
Endpoint FIFO read (n bytes)
OUT
Endpoint 6
Endpoint 5
Endpoint 4
Endpoint 3
Endpoint 2
Endpoint 1
Endpoint 0
DATA1
IN
NACK
CSREG 0 to 7
DPR Control
mP side
DATA1
Registers
Bank
OUT
ACK
interrupt C51
DATA1
C51
Microcontroller
Interface
Up to 48 MHz
UC_sysclk
Endpoint FIFO write
AT89C5131
ACK
117
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