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TMS320DM355CZCEA13 bảng dữ liệu(PDF) 20 Page - Texas Instruments |
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TMS320DM355CZCEA13 bảng dữ liệu(HTML) 20 Page - Texas Instruments |
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20 / 163 page  TMS320DM355 SPRS463G – SEPTEMBER 2007 – REVISED JUNE 2010 www.ti.com Table 2-8. Analog Video Terminal Functions TERMINAL TYPE(1) OTHER(2) DESCRIPTION NAME NO. Video DAC: Reference voltage output (0.45V, 0.1uF to GND). When the DAC is not VREF J7 A I/O/Z used, the VREF signal should be connected to VSS. Video DAC: Pre video buffer DAC output (1000 ohm to VFB). When the DAC is not IOUT E1 A I/O/Z used, the IOUT signal should be connected to VSS. Video DAC: External resistor (2550 Ohms to GND) connection for current bias IBIAS F2 A I/O/Z configuration. When the DAC is not used, the IBIAS signal should be connected to VSS. Video DAC: Pre video buffer DAC output (1000 Ohms to IOUT, 1070 Ohms to VFB G1 A I/O/Z TVOUT). When the DAC is not used, the VFB signal should be connected to VSS. Video DAC: Analog Composite NTSC/PAL output (SeeFigure 5-31 andFigure 5-32 for TVOUT F1 A I/O/Z V circuit connection). When the DAC is not used, the TVOUT signal should be left as a No Connect or connected to VSS. Video DAC: Analog 1.8V power. When the DAC is not used, the VDDA18_DAC signal VDDA18_DAC L7 PWR should be connected to VSS. Video DAC: Analog 1.8V ground. When the DAC is not used, the VSSA_DAC signal VSSA_DAC L8 GND should be connected to VSS. (1) I = Input, O = Output, Z = High impedance, S = Supply voltage, GND = Ground, A = Analog signal. Specifies the operating I/O supply voltage for each signal. See Section 5.3 , Power Supplies for more detail. (2) PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 k Ω resistor should be used.) 2.6 Asynchronous External Memory Interface (AEMIF) The Asynchronous External Memory Interface (AEMIF) signals support AEMIF, NAND, and OneNAND. Table 2-9. Asynchronous EMIF/NAND/OneNAND Terminal Functions TERMINAL TYPE(1) OTHER(2) (3) DESCRIPTION NAME NO. EM_A13/ Async EMIF: Address bus bit[13] PD GIO067/ V19 I/O/Z GIO: GIO[67] VDD BTSEL[1] System: BTSEL[1:0] sampled at power-on-reset to determine boot method. EM_A12/ Async EMIF: Address bus bit[12] PD GIO066/ U19 I/O/Z GIO: GIO[66] VDD BTSEL[0] System: BTSEL[1:0] sampled at power-on-reset to determine boot method. Async EMIF: Address bus bit[11] EM_A11/ PU GIO: GIO[65] GIO065/ R16 I/O/Z VDD AECFG[3:0] sampled at power-on-reset to AECFG configuration. AECFG[3] sets AECFG[3] default for PinMux2_EM_D15_8: AEMIF default bus width (16 or 8 bits) Async EMIF: Address bus bit[10] EM_A10/ GIO: GIO[64] PU GIO064/ R18 I/O/Z AECFG[3:0] sampled at power-on-reset to AECFG configuration. AECFG[2:1] VDD AECFG[2] sets default for PinMux2_EM_BA0: AEMIF EM_BA0 definition (EM_BA0, EM_A14, GIO[054], rsvd) Async EMIF: Address bus bit[09] EM_A09/ GIO: GIO[63] PD GIO063/ P17 I/O/Z AECFG[3:0] sampled at power-on-reset to AECFG configuration. AECFG[2:1] VDD AECFG[1] sets default for PinMux2_EM_BA0: AEMIF EM_BA0 definition (EM_BA0, EM_A14, GIO[054], rsvd) Async EMIF: Address bus bit[08] GIO: GIO[62] EM_A08/ PU AECFG[0] sets default for: GIO062/ T19 I/O/Z VDD AECFG[0] • PinMux2_EM_A0_BA1: AEMIF address width (OneNAND or NAND) • PinMux2_EM_A13_3: AEMIF address width (OneNAND or NAND) Async EMIF: Address bus bit[07] EM_A07/ P16 I/O/Z VDD GIO: GIO[61] GIO061 Used to drive boot status LED signal (active low) in ROM boot modes. (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. See Section 5.3 , Power Supplies for more detail. (3) PD = pull-down, PU = pull-up. (To pull up a signal to the opposite supply rail, a 1 k Ω resistor should be used.) 20 Device Overview Copyright © 2007–2010, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s): TMS320DM355 |
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