TMS320VC5509 datasheet(49/124 Pages) TI

tên linh kiện	TMS320VC5509

Giải thích chi tiết về linh kiện	Fixed-Point Digital Signal Processor

PDF	124 Pages

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nhà sản xuất	TI [Texas Instruments]

Trang chủ	http://www.ti.com

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Functional Overview

April 2001 − Revised January 2008

SPRS163H

Reserved

GPIOD13

GPIOD12

GPIOD11

GPIOD10

GPIOD9

GPIOD8

R, 0000 0000 00

R/W, 0

LEGEND: R = Read, W = Write, n = value after reset

Figure 3−16. EHPI GPIO Data Register (EHPIGPIODATA) Bit Layout

Table 3−16. EHPI GPIO Data Register (EHPIGPIODATA) Bit Functions

BIT

NO.

BIT

NAME

RESET

VALUE

FUNCTION

15−6

Reserved

5−0

GPIOD13−

GPIOD8

Data bits that are used to control the level of the EHPI Control Bus configured as I/O output pins, and to

monitor the level of the EHPI Control Bus configured as I/O input pins.

If GPIODIRn = 0, then:

GPIODx = 0

Corresponding I/O pin is read as a low.

GPIODx = 1

Corresponding I/O pin is read as a high.

If GPIODIRn = 1, then:

GPIODx = 0

Set corresponding I/O pin to low.

GPIODx = 1

Set corresponding I/O pin to high.

3.7

System Register

The system register (SYSR) provides control over certain device-specific functions. The register is located

at port address 07FDh. This feature is not supported on the 5509 device.

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