參數(shù)資料
型號: TUSB3410VF
英文描述: BUS CONTROLLER
中文描述: 總線控制器
文件頁數(shù): 11/92頁
文件大?。?/td> 317K
代理商: TUSB3410VF
1
1
1 Introduction
1.1
Controller Description
The TUSB3410 provides bridging between a USB port and an enhanced UART serial port. The TUSB3410 contains
all the necessary logic to communicate with the host computer using the USB bus. It contains an 8052 microcontroller
unit (MCU) with 16K bytes of RAM that can be loaded from the host or from external on-board memory via an I
2
C
bus. It also contains 10K bytes of ROM that allow the MCU to configure the USB port at boot time. The ROM code
also contains an I
2
C boot loader. All the device functions such as the USB command decoding, UART setup, and error
reporting are managed by the internal MCU firmware under the auspices of the PC host.
The TUSB3410 can be used to build an interface between a legacy serial peripheral device and a PC with USB ports,
such as a legacy-free PC. Once configured, data flows from the host to the TUSB3410 via USB OUT commands and
then out from the TUSB3410 on the SOUT line. Conversely, data flows into the TUSB3410 on the SIN line and then
into the host via USB IN commands.
Host
(PC or OTG DRD)
USB
Out
In
TUSB3410
SOUT
SIN
Legacy
Serial
Peripheral
Figure 1
1. Data Flow
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