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SPRUG21 Datasheet(PDF) 50 Page - Texas Instruments |
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SPRUG21 Datasheet(HTML) 50 Page - Texas Instruments |
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50 / 214 page  TMS320C6474 SPRS552H – OCTOBER 2008 – REVISED APRIL 2011 www.ti.com 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 SRCC27 SRCC26 SRCC25 SRCC24 SRCC23 SRCC22 SRCC21 SRCC20 SRCC19 SRCC18 SRCC17 SRCC16 SRCC15 SRCC14 SRCC13 SRCC12 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 15 14 13 12 11 10 9 8 7 6 5 4 3 0 SRCC11 SRCC10 SRCC9 SRCC8 SRCC7 SRCC6 SRCC5 SRCC4 SRCC3 SRCC2 SRCC1 SRCC0 Reserved R/W- R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R/W-0 R-0000 0 LEGEND: R/W = Read/Write; R = Read only; -n = value after reset Figure 3-4. IPC Acknowledgment Registers (IPCAR0-IPCAR2) Table 3-6. IPC Acknowledgment Registers (IPCAR0-IPCAR2) Field Descriptions Bit Field Value Description 31:4 SRCC[27:0] Write: 0 No effect 1 Clear register bit Read: Returns current value of internal register bit 3:0 Reserved Reserved 3.6 JTAG ID (JTAGID) Register Description The JTAG ID register is a read-only register that identifies to the customer the JTAG/Device ID. For the C6474 device, the JTAG ID register resides at address location 0x0288 0814. For the actual register bit names and their associated bit field descriptions, see Figure 3-5 and Table 3-7. 31 28 27 12 11 1 0 VARIANT PART NUMBER MANUFACTURER LSB (4-bit) (16-bit) (11-bit) R-n R-0000 0000 1001 0010b R-000 0001 0111b R-1 LEGEND: R = Read only; -n = value after reset Figure 3-5. JTAG ID (JTAGID) Register Table 3-7. JTAG ID (JTAGID) Register Field Descriptions Bit Field Value Description 31:28 VARIANT Variant (4-Bit) value. The value of this field depends on the silicon revision being used. Note: the VARIANT filed may be invalid if no CLKIN1 signal is applied. 27:12 PART NUMBER Part Number (16-Bit) value. C6474 value: 0000 0000 1001 0010b. 11:1 MANUFACTURER Manufacturer (11-Bit) value. C6474 value: 000 0001 0111b. 0 LSB LSB value. This bit is read as 1 for C6474. 3.7 Debugging Considerations It is recommended that external connections be provided to device configuration pins. Although internal pullup/pulldown resistors exist on these pins, providing external connectivity adds convenience to the user in debugging and flexibility in switching operating modes. For the internal pullup/pulldown resistors for all device pins, see Table 2-5. 50 Device Configuration Copyright © 2008–2011, Texas Instruments Incorporated Submit Documentation Feedback Product Folder Link(s) :TMS320C6474 |
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