TUSB5152 USB-мост с микроконтроллером 8052 и 2 UART, I2C, IEEE-1284
Основные особенности
- Fully compliant with USB release 1.1 specifications
- Supports 12-Mbps USB data rate (full speed)
- Supports USB suspend and resume operations
- One upstream port and five downstream ports (full and low speed)
- Can support a total of 8-input and 8-output endpoints
- Dual-enhanced UARTS
- Integrated 8052 microcontroller with
- 256 x 8 RAM for internal data
- 6K x 8 ROM (with USB and I2C boot loader)
- 16K x 8 RAM for code space. Totally loadable from host or I 2 C port.
- 2K x 8 synchronous RAM used for data buffers and EDBs
- Two 8052 GPIO ports, Port-1 and Port-3
- Master I2C controller for external device accesses.
- Supports external microcontroller interface for development ease
- Built-in five channel DMA controller for USB/UART/P-port bulk I/O
- Operates from a 6-MHz crystal. On-chip PLL generates 48/24 MHz and 7.384615 MHz for internal
baud-rate generator.
- Power-down mode
- Available in 100 TQFP
- 3.3/5-V operation
Особенности расширенного UART
- Software/hardware flow control
- Programmable Xon/Xoff characters
- Programmable auto-RTS*/DTR* and auto-CTS*/DSR*
- Automatic RS485-bus transceiver control, with and without echo
- Software selectable baud rate from 50 to 460,800 baud
- Programmable serial-interface characteristics
- 5-, 6-, 7- or 8-bit characters
- Even, odd, or no parity-bit generation and detection
- 1, 1.5 or 2 stop-bit generation
- Line break generation and detection
- Internal test and loop-back capabilities
- Modem-control functions (CTS*, RTS*, DSR*, DTR*, RI*, and DCD*)
- Internal diagnostics capability
- Loopback control for communications link-fault isolation
- Break, parity, overrun, framing-error simulation
Порт IEEE-1284
- Compatible with standard Centronics parallel interface
- Support for SPP, ECP and EPP modes with DMA support
- Direct connection to printer without external transceivers
Архитектура микроконтроллера TUSB5152:
Назначение выводов микроконтроллера TUSB5152:
Описания микроконтроллера
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279Kb Engl Описание микроконтроллера |
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Rus Система команд |
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Rus Описание интерфейса USB |
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Rus описание интерфейса I2C |
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