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TUSB5052 数据表(PDF) 39 Page - Texas Instruments

部件名 TUSB5052
功能描述  USB to 2-Serial 1-Parallel Controller With Configurable Optional Hub
PDF  84 Pages
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制造商  TI [Texas Instruments]
网页  http://www.ti.com
标志 TI - Texas Instruments

TUSB5052 数据表(HTML) 39 Page - Texas Instruments

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5–7
5.12 HUBVIDL: HUB-VID Register (Low-Byte)
D7
D6
D5
D4
D3
D2
D1
D0
7
6
5
4
32
10
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
7
D[7:0]
0
Hub VID low-byte value
5.13 HUBVIDH: HUB-VID Register (High-Byte)
D7
D6
D5
D4
D3
D2
D1
D0
7
6
5
4
32
10
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
BIT
NAME
RESET
FUNCTION
7
D[7:0]
0
Hub VID high-byte value
5.14 Function Reset and Power-Up Reset Interconnect
Figure 5–3 represents the logical connection of the USB-function-reset (USBR) and power-up-reset (RSTI) pins. The
internal RESET signal is generated from the RSTI pin (PURS signal) or from the USB-reset (USBR signal). The USBR
can be enabled or disabled by the FRSTE bit in the USBCTL register (on power-up, FRSTE = 0). The internal RESET
is used to reset all registers and logic, with the exception of the USBCTL and GLOBCTL registers which are cleared
by the PURS signal, only. As shown, the RESET/RESET is connected to the MUX, which controls the RSTO output
polarity (the MUX is controlled by the GLOBCTL register). In the development mode, the RSTO signal is used to reset
the external microcontroller or other devices.



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