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TNETV6446AINZWT 数据表(PDF) 37 Page - Texas Instruments |
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TNETV6446AINZWT 数据表(HTML) 37 Page - Texas Instruments |
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37 / 227 page  TMS320DM6446 www.ti.com SPRS283H – DECEMBER 2005 – REVISED SEPTEMBER 2010 Table 2-11. I2C Terminal Functions SIGNAL TYPE(1) OTHER(2) DESCRIPTION NAME NO. I2C SCL/ This pin is multiplexed between I2C and GPIO. C4 I/O/Z DVDD18 GPIO43 For I2C, it is clock output SCL. SDA/ This pin is multiplexed between I2C and GPIO. B4 I/O/Z DVDD18 GPIO44 For I2C, it is bi-directional data signal SDA. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) Specifies the operating I/O supply voltage for each signal Table 2-12. Audio Serial Port (ASP) Terminal Functions SIGNAL TYPE(1) OTHER(2) DESCRIPTION NAME NO. Audio Serial Port (ASP) CLKX/ This pin is multiplexed between ASP and GPIO. B8 I/O/Z DVDD18 GPIO29 For ASP, it is Transmit clock IO CLKX. CLKR/ This pin is multiplexed between ASP and GPIO. A8 I/O/Z DVDD18 GPIO30 For ASP, it is Receive clock IO CLKR. FSX/ This pin is multiplexed between ASP and GPIO. C8 I/O/Z DVDD18 GPIO31 For ASP, it is Transmit frame synchronization IO FSX. FSR/ This pin is multiplexed between ASP and GPIO. C7 I/O/Z DVDD18 GPIO32 For ASP, it is Receive frame synchronization IO FSR. DX/ This pin is multiplexed between ASP and GPIO. B7 I/O/Z DVDD18 GPIO33 For ASP, it is Data Transmit output DX. DR/ This pin is multiplexed between ASP and GPIO. A7 I/O/Z DVDD18 GPIO34 For ASP, it is Data Receive input DR. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) Specifies the operating I/O supply voltage for each signal Table 2-13. SPI Terminal Functions SIGNAL TYPE(1) OTHER(2) DESCRIPTION NAME NO. Serial Peripheral Interface (SPI) SPI_EN0/ This pin is multiplexed between SPI and GPIO. A4 I/O/Z DVDD18 GPIO37 When used by SPI, it is SPI slave device 0 enable output SPI_EN0. SPI_EN1/ This pin is multiplexed between SPI, ATA, and GPIO. HDDIR/ B2 I/O/Z DVDD18 When used by SPI, it is SPI slave device 1 enable output SPI_EN1. GPIO42 SPI_CLK/ This pin is multiplexed between SPI and GPIO. A3 I/O/Z DVDD18 GPIO39 For SPI, it is clock output SPI_CLK. SPI_DI/ This pin is multiplexed between SPI and GPIO. B3 I/O/Z DVDD18 GPIO40 For SPI, it is data input SPI_DI. SPI_DO/ This pin is multiplexed between SPI and GPIO. A2 I/O/Z DVDD18 GPIO41 For SPI it is data output SPI_DO. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) Specifies the operating I/O supply voltage for each signal Copyright © 2005–2010, Texas Instruments Incorporated Device Overview 37 Submit Documentation Feedback Product Folder Link(s): TMS320DM6446 |
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