AT89C5130A-RDRUM Atmel, AT89C5130A-RDRUM Datasheet - Page 120

MCU 8051 16K FLASH USB 64-VQFP

AT89C5130A-RDRUM

Manufacturer Part Number
AT89C5130A-RDRUM
Description
MCU 8051 16K FLASH USB 64-VQFP
Manufacturer
Atmel
Series
AT89C513xr
Datasheet

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
-

Available stocks

Company
Part Number
Manufacturer
Quantity
Price
Part Number:
AT89C5130A-RDRUM
Manufacturer:
Atmel
Quantity:
10 000
21. USB Controller
21.1
Figure 21-1. USB Device Controller Block Diagram
21.1.1
120
Description
AT89C5130A/31A-M
Serial Interface Engine (SIE)
D+
D-
.
The USB device controller provides the hardware that the AT89C5131 needs to interface a USB
link to a data flow stored in a double port memory (DPRAM).
The USB controller requires a 48 MHz ±0.25% reference clock, which is the output of the
AT89C5131 PLL (see Section “PLL”, page 15) divided by a clock prescaler. This clock is used to
generate a 12 MHz Full-speed bit clock from the received USB differential data and to transmit
data according to full speed USB device tolerance. Clock recovery is done by a Digital Phase
Locked Loop (DPLL) block, which is compliant with the jitter specification of the USB bus.
The Serial Interface Engine (SIE) block performs NRZI encoding and decoding, bit stuffing, CRC
generation and checking, and the serial-parallel data conversion.
The Universal Function Interface (UFI) realizes the interface between the data flow and the Dual
Port RAM.
The SIE performs the following functions:
USB
D+/D-
Buffer
• NRZI data encoding and decoding.
• Bit stuffing and un-stuffing.
• CRC generation and checking.
• Handshakes.
• TOKEN type identifying.
DPLL
SIE
48 MHz
12 MHz
+/- 0.25%
UFI
C51
Microcontroller
Interface
Up to 48 MHz
UC_sysclk
4337K–USB–04/08

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