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TMS320DM6446ZWT Datasheet(PDF) 8 Page - Texas Instruments |
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TMS320DM6446ZWT Datasheet(HTML) 8 Page - Texas Instruments |
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8 / 231 page  TMS320DM6446 Digital Media System-on-Chip SPRS283F – DECEMBER 2005 – REVISED MARCH 2008 www.ti.com TMS320DM6446 Revision History (continued) SEE ADDITIONS/MODIFICATIONS/DELETIONS Section 6.10.1.2 Table 6-35, Switching Characteristics Over Recommended Operating Conditions for Asynchronous EMIFA Eelctrical Memory Cycles for EMIFA Module: Data/Timing Updated/changed the following parameter information: • Parameter NO. 4 tsu(EMCSL-EMOEL), Output setup time, EM_CS[5:2] low to EM_OE low (SS = 0) MAX value from "(RS + 1) * E + 1.2" to "(RS + 1) * E + 1.4" ns • Parameter NO. 5 th(EMOEH-EMCSH), Output hold time, EM_OE high to EM_CS[5:2] high (SS = 0) MIN value from "(RH + 1) * E - 1.3" to "(RH + 1) * E - 2.1" ns • Parameter NO. 5 th(EMOEH-EMCSH), Output hold time, EM_OE high to EM_CS[5:2] high (SS = 1) MIN value from "-1.4" to "-2.2" ns • Parameter NO. 7 th(EMOEH-EMBAIV), Output hold time, EM_OE high to EM_BA[1:0] invalid MIN value from "(RH + 1) * E - 2.1" to "(RH + 1) * E - 2.3" ns • Parameter NO. 9 th(EMOEH-EMAIV), Output hold time, EM_OE high to EM_A[21:0] invalid MIN value from "(RH + 1) * E - 2.4" to "(RH + 1) * E - 2.6" ns • Parameter NO. 17 th(EMWEH-EMCSH), Output hold time, EM_WE high to EM_CS[5:2] high (SS = 0) MIN value from "(WH + 1) * E - 1.4" to "(WH + 1) * E - 2.1" ns • Parameter NO. 17 th(EMWEH-EMCSH), Output hold time, EM_WE high to EM_CS[5:2] high (SS = 1) MIN value from "-1.4" to "-2.1" ns • Parameter NO. 21 th(EMWEH-EMBAIV), Output hold time, EM_WE high to EM_BA[1:0] invalid MIN value from "(WH + 1) * E - 2.2" to "(WH + 1) * E - 2.3" ns • Parameter NO. 23 th(EMWEH-EMAIV), Output hold time, EM_WE high to EM_A[21:0] invalid MIN value from "(WH + 1) * E - 2.5" to "(WH + 1) * E - 2.6" ns Section 6.11.2.4 Table 6-42, Timing Requirements for HDDIR: ATA/CF HDDIR Timing • Added a new MAX value of "2.1" ns to NO. 1 tc ,Cycle time, ATA_CS[1:0] to HDDIR low Section 6.13 Section 6.13, Video Processing Sub-System (VPSS) Overview: Video Processing • Added "Alternatively, if the VPBE input clock ..." sentence to the "To ensure the color sub-carrier Sub-System (VPSS) frequency ..." paragraph Overview Section 6.13.2.3 Table 6-62, Switching Characteristics Over Recommended Operating Conditions for VPBE Control and VPBE Electrical Data Output With Respect to PCLK and VPBECLK: Data/Timing • Split the MIN/MAX values for the A-513 and -594 speed devices • Updated/changed the A-513 device MAX value of Parameter NO. 13, td(PCLK-VDATAV), Delay time, PCLK edge to VDATA valid from "13.3" to "13.6" ns • Updated/changed the A-513 device MAX value of Parameter NO. 31, td(VPBECLK-VDATAV), Delay time, VPBECLK rising edge to VDATA valid from "13.3" to "13.6" ns Table 6-63, Switching Characteristics Over Recommended Operating Conditions for VPBE Control and Data Output With Respect to VCLK: • Added MODE column • Updated/changed the following Parameters: – Parameter NO. 23 td(VCLK-VCTLV), split into VCLK positive/negative; regardless of MODE – Parameter NO. 24 td(VCLKL-VCTLIV), split into VCLK positive/negative; regardless of MODE – Parameter NO. 25 td(VCLK-VDATAV), split into VCLK positive/negative; regardless of MODE – Parameter NO. 26 td(VCLKL-VDATAIV), split into VCLK positive/negative; separated by MODE: RGB or YCC • Added associated MODE footnote Section 6.13.2.4 Updated/changedFigure 6-54, Typical Output Circuit for NTSC/PAL Video From DACs DAC Electrical Data/Timing Section 6.15.2 Table 6-71, USB2.0 Reigster Descriptions: USB2.0 Peripheral • Added Core Registers header row Register Description(s) • Deleted the 0x01C6 441F second address FIFOSIZE row • Updated/changed the registers for Control and Status Register for Endpoint 0, 1, 2, 3, and 4 regions Section 6.15.3 Table 6-72, Switching Characteristics Over Recommended Operating Conditions for USB2.0: USB2.0 Electrical • Updated/changed Parameter NO. 11 USB_R1 "UNIT" value from " Ω" to "kΩ" Data/Timing • Added Figure 6-60, USB Reference Resistor Routing (new) Revision History 8 Submit Documentation Feedback |
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