Texas Instruments TMS320C6454 - Manual (Page 220)

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PRODUCT PREVIEW
TMS320C6454
Fixed-Point Digital Signal Processor
SPRS311A – APRIL 2006 – REVISED DECEMBER 2006
C6454 Revision History (continued)
SEE ADDITIONS/MODIFICATIONS/DELETIONS
Section 7.7.3 PLL1 Controller Register Descriptions:
Added Values and Descriptions for RATIO bit field in
Table 7-21 , PLL Pre-Divider Control Register (PREDIV)
Field Descriptions
Deleted PLL Controller Divider Registers section
Added new sections for PLL Controller Divider 4 Register and PLL Controller Divider 5 Register
Change RATIO bit field reset to R/W-3 in
Figure 7-14 , PLL Controller Divider 4 Register (PLLDIV4)
Changed RATIO bit field reset to R/W-3 in Figure 7-15 , PLL Controller Divider 5 Register (PLLDIV5)
Section 7.7.4 PLL1 Controller Input and Output Clock Electrical Data/Timing:
Updated
Figure 7-22 , SYSCLK4 Timing
Section 7.8 PLL2 and PLL2 Controller:
Updated Notes A and B on
Figure 7-23 , PLL2 Block Diagram
Section 7.8.1 PLL2 Controller Device-Specific Information:
Updated Footnote (1) in
Table 7-31 , PLL2 Clock Frequency Ranges
Section 7.8.1.1 Internal Clocks and Maximum Operating Frequencies:
Updated paragraphs
Section 7.8.4 PLL2 Controller Input Clock Electrical Data/Timing:
Updated Footnote (3) in
Table 7-39 , Timing Requirements for CLKIN2
Section 7.9 DDR2 Memory Controller:
Updated paragraphs
Section 7.10.2 EMIFA Peripheral Register Description(s):
Changed Burst Priority Register acronym to BURST_PRIO in
Table 7-41 , EMIFA Registers
Section 7.10.3 EMIFA Electrical Data/Timing:
Updated footnotes for
Table 7-45 , Table 7-47 and Figure 7-33 , Figure 7-36 , Figure 7-37 , and Figure 7-38
Updated Figure 7-34 , Asynchronous Memory Write Timing for EMIFA
Section 7.12.2 HPI Peripheral Register Description(s):
Updated Comments for HPIC in
Table 7-54 , HPI Control Registers
Updated Hex Address and Comments for HPIA registers
Added Footnote (1)
Updated Footnote (2)
Section 7.12.3 HPI Electrical Data/Timing:
Changed Parameter NO. 18 MIN value to 1 ns and Parameter NO. 38 MIN value to 1.1 ns in
Table 7-55 ,
Timing Requirements for Host-Port Interface Cycles
Replaced TBD document reference with TMS320C645x DSP Host Port Interface User's Guide (literature
number
SPRU969 ) in Figure 7-44 through Figure 7-51
Section 7.13.1 McBSP Device-Specific Information:
Added paragraph
Section 7.13.2 McBSP Electrical Data/Timing:
Changed Parameter NO. 4 MAX value to 3.3 ns in
Table 7-60 , Switching Characteristics Over
Recommended Operating Conditions for McBSP
Section 7.14.1 EMAC Device-Specific Information:
Deleted Step 1 and changed setting to clearing under Using the RMII Mode of the EMAC
Moved
Table 7-70 , EMAC/MDIO Multiplexed Pins (MII, RMII, and GMII Modes), under Interface Mode Select
Added Interface Mode Clocking section and paragraphs
Section 7.14.2 EMAC Peripheral Register Description(s):
Corrected Hex Addresses for 02C8 0080 through 02C8 0090 in
Table 7-71 , Ethernet MAC (EMAC) Control
Registers
Section 7.14.3.1 EMAC MII and GMII Electrical Data/Timing:
Updated
Figure 7-59 , MRCLK Timing (EMAC – Receive) [MII and GMII Operation]
Updated Figure 7-60 , MTCLK Timing (EMAC – Transmit) [MII and GMII Operation]
Changed Table 7-77 title to Switching Characteristics Over Recommended Operating Conditions for
GMTCLK - GMII Operation
Updated
Figure 7-61 , GMTCLK Timing (EMAC – Transmit) [GMII Operation]
Updated Figure 7-64 , EMAC Transmit Interface Timing [GMII Operation]
Section 7.14.3.2 EMAC RMII Electrical Data/Timing:
Added the following tables and figures:
Table 7-82 , Switching Characteristics Over Recommended Operating Conditions for EMAC RMII Transmit
10/100 Mbit/s
Figure 7-66 , EMAC Transmit Interface Timing [RMII Operation]
Table 7-83 , Timing Requirements for EMAC RMII Input Receive for 100 Mbps
Figure 7-67 , EMAC Receive Interface Timing [RMII Operation]
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