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參數(shù)資料
| 型號： | USS-820D |
| 英文描述： | USS-820D USB Device Controller |
| 中文描述： | 號- 820D USB設(shè)備控制器 |
| 文件頁數(shù)： | 1/58頁 |
| 文件大小： | 868K |
| 代理商： | USS-820D |
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Data Sheet, Rev. 4
June 2001
USS-820D
USB Device Controller
Features
I
Full compliance with the
Universal Serial Bus
Specification Revision 1.1
.
I
Backward compatible with USS-820B and
USS-820C revisions.
I
Self-powered or bus-powered USB device. Meets
USB power specifications for bus-powered
devices.
I
Full-speed USB device (12 Mbits/s).
I
USB device controller with protocol control and
administration for up to 16 USB endpoints.
I
Supports control, interrupt, bulk, and isochronous
transfers for all 16 endpoints.
I
Programmable endpoint types and FIFO sizes and
internal 1120-byte logical (2240-byte physical for
dual-packet mode) shared FIFO storage allow a
wide variety of configurations.
I
Dual-packet mode of FIFOs reduces latency.
I
Supports USB remote wake-up feature.
I
On-chip crystal oscillator allows external 12 MHz
crystal or 3 V/5 V clock source.
I
On-chip analog PLL creates 48 MHz clock from
internal 12 MHz clock.
I
Integrated USB transceivers.
I
5 V tolerant I/O buffers allow operation in 3 V or 5
V system environments for 0 °C to 70 °C tempera-
ture range.
I
5 V tolerant I/O buffers allow operation in 3 V only
system environments for –20 °C to +85 °C temper-
ature range.
I
Implemented in Agere Systems Inc. 0.25
μ
m, 3 V
standard-cell library.
I
44-pin MQFP (USS-820D).
I
48-pin TQFP (USS-820TD).
I
Evaluation kit available.
New Features After Revision B
I
New, centralized FIFO status bits and interrupt out-
put pin reduce firmware load.
I
New, additional nonisochronous transmit mode
allows NAK response to cause interrupt.
I
Isochronous behavior enhancements simplify firm-
ware control.
I
Additional FIFO sizes for nonisochronous end-
points.
I
USB reset can be programmed to clear device
address.
I
USB reset output status pin.
I
Firmware ability to wake up and reset a suspended
device.
I
Lower power.
I
5 V supply no longer required for 5 V tolerant oper-
ation.
Applications
I
Suitable for peripherals with embedded micropro-
cessors.
I
Glueless interface to microprocessor buses.
I
Support of multifunction USB implementations,
such as printer/scanner and integrated multimedia
applications.
I
Suitable for a broad range of device class periph-
erals in the USB standard.
Note:
Advisories are issued as needed to update product information. When using this data sheet for design purposes, please contact
your Agere Systems Account Manager to obtain the latest advisory on this product.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| USS820D-DB | 制造商:AGERE 制造商全稱:AGERE 功能描述:USS-820D USB Device Controller |
| USS820FD | 制造商:AGERE 制造商全稱:AGERE 功能描述:USB Device Controller |
| USS-820FD | 制造商:AGERE 制造商全稱:AGERE 功能描述:USB Device Controller |
| USS820TD-DB | 制造商:AGERE 制造商全稱:AGERE 功能描述:USS-820D USB Device Controller |
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