manualshive.com logo in svg

Cypress AN2121SC, Руководство по эксплуатации продукта

Поделиться
Скачать
Cypress AN2121SC Скачать руководство пользователя страница 16

EZ-USB Internal ROM Product Family

EZ-USB Internal RAM Product Family

Ordering Information

With the broadest family of USB solutions in the market, peripheral manufactures can find the right
combination of features, board space, and price to fit their applications. All eight of EZ-USB family
members with internal RAM can be converted to ROM equivalents with no changes in their design.

EZ-USB Xcelerator Development Kit

AN2131-DK-001

EZ-USB, Xcelerator, and ReNumeration are trademarks of Anchor Chips Incorporated. The Anchor logo is a registered trademark of Anchor Chips Incorporated. Cypress and the
Cypress logo are trademarks of Cypress Semiconductor. All other tradesmark are the property of their respective owners. Specifications are subject to change without notice. © 1999,
Anchor Chips Incorporated All rights reserved.

          2-799EZ21K

Cypress Semiconductor

3901 North First Street • San Jose, CA 95134

Telephone (800) 858-1810 • Fax (408) 943-6848

www.cypress.com

Anchor Chips Incorporated

12396 World Trade Drive • M/S 212 • San Diego, CA 92128

Telephone (858) 613-7900 • Fax (858) 676-6896

www.anchorchips.com

A Business Unit of Cypress Semiconductor

For more information about the EZ-USB controller chip, visit 

www.anchorchips.com

.

  Part

Package

RAM

I/O Rate

# Prog

8-Bit

Isochronous

  Number

Type

 Size

Bytes/sec

I/Os

Databus

Support

AN2121SC

44 PQFP

4K

600K

16

No

Yes

AN2125SC

44 PQFP

4K

2M

8

Yes

Yes

AN2126SC

44 PQFP

4K

2M

8

Yes

No

AN2131SC

44 PQFP

8K

600K

16

No

Yes

AN2135SC

44 PQFP

8K

2M

8

Yes

Yes

AN2136SC

44 PQFP

8K

2M

8

Yes

No

AN2131QC

80 PQFP

8K

2M

24

Yes+Addr

Yes

    Part

Package

RAM

ROM

I/O Rate

# Prog

8-Bit

Isochronous

   Number

Type

 Size

Size

Bytes/sec

I/Os

Databus

Support

AN2321SC

44 PQFP

2K

4K

600K

16

No

Yes

AN2325SC

44 PQFP

2K

4K

2M

8

Yes

Yes

AN2326SC

44 PQFP

2K

4K

2M

8

Yes

No

AN2331SC

44 PQFP

2K

8K

600K

16

No

Yes

AN2335SC

44 PQFP

2K

8K

2M

8

Yes

Yes

AN2336SC

44 PQFP

2K

8K

2M

8

Yes

No

AN2331QC

80 PQFP

2K

8K

2M

24

Yes+Addr

Yes

"C" denotes commercial (0 - 70 degrees C) temperature range

All EZ-USB devices support up to 14 endpoints for bulk packets.

Содержание AN2121SC

Страница 1: ...also supports an equiva lent data transfer rate for bulk packets of over 2 Mbytes per second which is more than the USB bandwidth The EZ USB family conforms to the high speed 12 Mbps require ments of...

Страница 2: ...y eliminates the need to become an expert in USB It allows the designer to take advantage of the benefits of USB without investing large amounts of time and energy With the EZ USB family peripheral de...

Страница 3: ...nificantly less 8051 USB code since core handles most USB activity Architecture Shortened USB learning curve Quicker working prototypes and final production models More software development time to de...

Страница 4: ...gn implementation Peripheral manufacturers can provide firmware updates in conjunction with driver changes via a floppy disk or through Internet downloads Thus Unprecedented Soft Architecture software...

Страница 5: ...code download while holding the 8051 in reset Once enumerated the host PC downloads 8051 code into EZ USB RAM over the USB interface Anchor Chips supplies the software tools to incorporate the loader...

Страница 6: ...compared to other solutions And since less memory is needed for firmware board size and system cost are reduced Automatically Handles Low Level USB Overhead Test Code Supports USB Chapter 9 String des...

Страница 7: ...rt address of the requested descriptor data 2 The EZ USB core does the rest The EZ USB core automatically takes care of error checking and retries dividing the table into packets for the various IN tr...

Страница 8: ...he last frame s data while the other FIFO empties or fills with new USB data A single movx instruction transfers data between EZ USB endpoint FIFOs and external logic in two cycles or 330 nano seconds...

Страница 9: ...ike the FRW signal the FRD signal may be tailored for different interface requirements support extra features such as a second data pointer a second UART cycle stretched timing an expanded interrupt s...

Страница 10: ...ware Because of the flexibility of the external EEPROM and inter nal RAM manufacturers have the option to make last minute changes to a design code without impacting production schedules External mem...

Страница 11: ...ata integrity must be guaran teed but without critical delivery time The EZ USB family provides 14 bulk endpoints seven IN and seven OUT These endpoints can be programmed to be double buffered which i...

Страница 12: ...signals and provide a convenient interface to a logic analyzer C Compiler from Keil The C compiler from Keil Soft ware lets the designer write 8051 microcontroller applications in C and still get the...

Страница 13: ...are frame works With this library of predefined function calls devel opers can quickly develop their peripheral function The firm ware library includes functions such as ReNumeration I2 C programming...

Страница 14: ...nd Pin Definitions 1 10 10 9 90 13 45 12 95 8 00 REF 11 33 23 12 22 44 34 0 80 BSC 44 PQFP 2 35 MAX 0 45 0 30 0o 7o 1 00 0 80 1 95 0 15 80 Pin Lead Detail 2 7 6 2 6 6 0 28 0 18 8 Places 12o REF Base P...

Страница 15: ...o P d n u o r G d n a r e w o P d n u o r G d n a r e w o P d n u o r G d n a r e w o P 7 7 8 1 D N G A 0 1 0 1 1 2 C C V A 5 4 3 1 3 2 2 1 6 8 3 4 3 5 4 3 1 3 2 2 1 6 8 3 4 3 3 1 6 5 3 3 2 7 1 4 1 3...

Страница 16: ...10 Fax 408 943 6848 www cypress com Anchor Chips Incorporated 12396 World Trade Drive M S 212 San Diego CA 92128 Telephone 858 613 7900 Fax 858 676 6896 www anchorchips com A Business Unit of Cypress...

Отзывы:

Нет отзывов

Бренды по названию

Популярные бренды

Загрузить еще бренды