AT89C5131A-PUTIM Atmel, AT89C5131A-PUTIM Datasheet - Page 121
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 21-2. SIE Block Diagram
21.1.2
4337K–USB–04/08
D+
D-
Function Interface Unit (FIU)
The Function Interface Unit provides the interface between the AT89C5131 and the SIE. It man-
ages transactions at the packet level with minimal intervention from the device firmware, which
reads and writes the endpoint FIFOs.
• Address checking.
• Clock generation (via DPLL).
End of Packet
Detection
Start of Packet
Detection
Clk48
(48 MHz)
Clock
Recovery
NRZI ‘NRZ
Bit Un-stuffing
Packet Bit Counter
USB Pattern Generator
Parallel to Serial Converter
Bit Stuffing
NRZI Converter
CRC16 Generator
SysClk
(12 MHz)
8
SYNC Detection
PID Decoder
Address Decoder
Serial to
P a r a l l e l
CRC5 and CRC16
Generation/Check
AT89C5130A/31A-M
DataIn [7:0]
DataOut
8
121
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