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전자부품 데이터시트 검색엔진 |
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전자부품 데이터시트 검색엔진 |
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TMS320VC5509 데이터시트(PDF) 49 Page - Texas Instruments |
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TMS320VC5509 데이터시트(HTML) 49 Page - Texas Instruments |
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49 / 124 page  Functional Overview 49 April 2001 − Revised January 2008 SPRS163H 15 6 5 43 21 0 Reserved GPIOD13 GPIOD12 GPIOD11 GPIOD10 GPIOD9 GPIOD8 R, 0000 0000 00 R/W, 0 R/W, 0 R/W, 0 R/W, 0 R/W, 0 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 0 Reserved 5−0 GPIOD13− GPIOD8 0 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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