Datasheet

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TMS320C6472
www.ti.com SPRS612G–JUNE 2009– REVISED JULY 2011
3.10 JTAG ID Register Description
The JTAG ID register is a read-only register that identifies to the customer the JTAG ID (DEVICE_ID). For
the C6472 device, the JTAG ID register resides at address location 02A8 0008h. It reads 0009 102Fh. For
the actual register bit names and their associated bit field descriptions, see Figure 3-20 and Table 3-24.
31 28 27 12 11 1 0
VARIANT PART NUMBER MANUFACTURER
LSB
(4-bit) (16-bit) (11-bit)
R-0000 R-0000 0000 1001 0001 R-0000 0010 111 R-1
LEGEND: R = Read only; -n = value after reset
Figure 3-20. JTAG ID (DEVICE_ID) Register - C6472 Register Value
Table 3-24. JTAG ID (DEVICE_ID) Register Field Descriptions
Bit Field Value Description
31:28 VARIANT 0000 Variant (4-Bit) value.
(1)
Note: The VARIANT field may be invalid if no CLKIN1 signal is applied. The
value of this field depends on the silicon revision being used. For more
information, see the TMS320C6472 Digital Signal Processor Silicon Errata
(literature number SPRZ300).
27:12 PART NUMBER 0000 0000 1001 0001 Part Number (16-Bit) value.
(2)
11:1 MANUFACTURER 0000 0010 111 Manufacturer (11-Bit) value.
(2)
0 LSB 1 LSB value.
(2)
(1) Fixed value for each silicon revision. This table shows silicon revision 1.0, as an example.
(2) Fixed value irrespective of the silicon revision.
3.11 Silicon Revision ID Register Description
The silicon revision ID is a read-only register that provides silicon revision details. For the C6472 device,
the silicon revision ID register is at address location 02A8 070Ch. It reads 0010 0091h. The silicon
revision ID Register is shown in Figure 3-21 and described inTable 3-25.
31 24 23 20 19 16
Reserved MAJOR REVISION MINOR REVISION
8-bit 4-bit 4-bit
R-0000 0000 R-0001 R-0000
15 0
PART NUMBER
16-bit
R-0000 0000 1001 0001
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Figure 3-21. Silicon Revision ID Register
Table 3-25. Silicon Revision ID Register Field Descriptions
Bit Field Value Description
31:24 Reserved 0000 0000 Reserved
23:20 MAJOR REVISION 0001 Major revision of the silicon
(1)
19:16 MINOR REVISION 0000 Minor revision of the silicon
(1)
15:0 PART NUMBER 0000 0000 1001 0001 Part number of the silicon
(2)
(1) Fixed value for each silicon revision. This table shows silicon revision 1.0, as an example.
(2) Fixed value irrespective of the silicon revision.
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