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TNETV2665FIBZWT4 数据表(PDF) 51 Page - Texas Instruments |
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TNETV2665FIBZWT4 数据表(HTML) 51 Page - Texas Instruments |
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51 / 249 page  TMS320C6424 www.ti.com SPRS347D – MARCH 2007 – REVISED DECEMBER 2009 Table 2-18. Host-Port Interface Terminal Functions (continued) SIGNAL TYPE(1) OTHER(2) (3) DESCRIPTION ZWT ZDU NAME NO. NO. This pin is multiplexed between HPI, EMAC (MII), PCI, and HDS2/MRXD0/ IPU C3 C2 I/O/Z GPIO. AD9/GP[78] DVDD33 In HPI mode, this pin is host data strobe input 2 HDS2 (I). This pin is multiplexed between HPI, EMAC (MII), PCI, and HDS1/MRXD1/ IPU B2 B3 I/O/Z GPIO. AD7/GP[79] DVDD33 In HPI mode, this pin is host data strobe input 1 HDS1 (I). This pin is multiplexed between HPI, EMAC (MII), PCI, and HRDY/MRXD2/ IPU GPIO. D2 C3 I/O/Z PCBE0/GP[80] DVDD33 In HPI mode, this pin is host ready output from DSP to host (O/Z). This pin is multiplexed between HPI, MDIO, PCI, and GPIO. HCS/MDCLK/ IPU C1 D1 I/O/Z In HPI mode, this pin is HPI active low chip select input HCS AD5/GP[81] DVDD33 (I). This pin is multiplexed between HPI, EMAC (MII), PCI, and HINT/MRXD3/ IPU C2 D2 I/O/Z GPIO. AD6/GP[82] DVDD33 In HPI mode, this pin is host interrupt output HINT (O/Z). This pin is multiplexed between HPI, MDIO, PCI, and GPIO. HAS/MDIO/ IPU In HPI mode, this pin is host address strobe HAS (I). D1 C1 I/O/Z AD3/GP[83] DVDD33 For proper HPI operation, if this pin is routed out, it must be pulled up via an external resistor. Table 2-19. I2C Terminal Functions SIGNAL TYPE(1) OTHER(2) (3) DESCRIPTION ZWT ZDU NAME NO. NO. I2C For I2C, this pin is I2C clock. In I2C master mode, this pin is an output. In I2C slave mode, this pin is an input. SCL M2 N2 I/O/Z DVDD33 When the I2C module is used, for proper device operation, this pin must be pulled up via an external resistor. For I2C, this pin is the I2C bi-directional data signal. SDA M3 P2 I/O/Z DVDD33 When the I2C module is used, for proper device operation, this pin must be pulled up via an external resistor. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal (2) IPD = Internal pulldown, IPU = Internal pullup. For more detailed information on pullup/pulldown resistors and situations where external pullup/pulldown resistors are required, see Section 3.9.1 , Pullup/Pulldown Resistors. (3) Specifies the operating I/O supply voltage for each signal Copyright © 2007–2009, Texas Instruments Incorporated Device Overview 51 Submit Documentation Feedback Product Folder Link(s): TMS320C6424 |
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