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TNETV2666FIBZWT 数据表(PDF) 32 Page - Texas Instruments |
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TNETV2666FIBZWT 数据表(HTML) 32 Page - Texas Instruments |
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32 / 249 page  TMS320C6424 SPRS347D – MARCH 2007 – REVISED DECEMBER 2009 www.ti.com Table 2-8. Oscillator/PLL Terminal Functions SIGNAL TYPE(1) OTHER(2) DESCRIPTION ZWT ZDU NAME NO. NO. OSCILLATOR, PLL Crystal input MXI for MX oscillator (system oscillator, 15-30 MHz). MXI/ K19 N22 I MXVDD If the internal oscillator is bypassed, this is the external oscillator clock CLKIN input.(3) MXO J19 M22 O MXVDD Crystal output for MX oscillator 1.8 V power supply for MX oscillator. On the board, this pin can be MXVDD L18 N21 S (4) connected to the same 1.8 V power supply as DVDDR2. MXVSS K18 M21 GND (4) Ground for MX oscillator PLLPWR18 L16 N20 S (4) 1.8 V power supply for PLLs (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 (3) For more information on external board connections, see Section 6.6 , External Clock Input From MXI/CLKIN Pin. (4) For more information, see the Recommended Operating Conditions table Table 2-9. Clock Generator Terminal Functions SIGNAL TYPE(1) OTHER(2) (3) DESCRIPTION ZWT ZDU NAME NO. NO. CLOCK GENERATOR This pin is multiplexed between the System Clock generator (PLL1), PWM2, and GPIO. CLKOUT0/ IPD M1 R1 I/O/Z For the System Clock generator (PLL1), it is clock output CLKOUT0. This is PWM2/GP[84] DVDD33 configurable for toggling at the device input clock frequency (MXI/CLKIN frequency) or other divided-down (/1 to /32) clock outputs. (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 32 Device Overview Copyright © 2007–2009, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320C6424 |
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