AT89C5131-S3SIL Atmel, AT89C5131-S3SIL Datasheet - Page 116

• Manufacturer Part Number: AT89C5131-S3SIL
• Description: IC 8051 MCU FLASH 32K USB 52PLCC
• Manufacturer: Atmel
• Series: AT89C513xr

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: -

Serial Interface Engine (SIE)
Figure 54. SIE Block Diagram
116
D+
D-
AT89C5131
End of Packet
Detection
Start of Packet
Detection
Clk48
(48 MHz)
The SIE performs the following functions:
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Clock
Recovery
NRZI data encoding and decoding.
Bit stuffing and un-stuffing.
CRC generation and checking.
Handshakes.
TOKEN type identifying.
Address checking.
Clock generation (via DPLL).
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
Parallel Conversion
CRC5 and CRC16
Generation/Check
DataIn [7:0]
DataOut
8
4136B–USB–09/03