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3.6 JTAG ID (JTAGID) Register Description
TMS320TCI6482
Communications Infrastructure Digital Signal Processor
SPRS246F–APRIL 2005–REVISED MAY 2007
Table 3-13. Device Status Register (DEVSTAT) Field Descriptions (continued)
Bit
3:0
Field
BOOTMODE[3:0]
Value
Description
Boot mode configuration bits
Shows the status of what device boot mode configuration is operational.
BOOTMODE[3:0]
[
Note:
if selected for boot, the corresponding peripheral is automatically enabled after device reset.]
No boot (default mode)
Host boot (HPI)
Reserved
Reserved
EMIFA 8-bit ROM boot
Master I2C boot
Slave I2C boot
Host boot (PCI)
Serial Rapid I/O boot For more detailed information on the boot modes, see
Section 2.4
,
Boot
Sequence
.
0000
0001
0010
0011
0100
0101
0110
0111
1000
thru
1111
The JTAG ID register is a read-only register that identifies to the customer the JTAG/Device ID. For the
TCI6482 device, the JTAG ID register resides at address location 0x02A8 0008. For the actual register bit
names and their associated bit field descriptions, see
Figure 3-11
and
Table 3-14
.
31
28 27
12 11
1
0
VARIANT
(4-bit)
PART NUMBER
(16-bit)
MANUFACTURER
(11-bit)
LSB
R-n
R-0000 0000 1000 1010b
0000 0010 111b
R-1
LEGEND:
R = Read only; -
n
= value after reset
Figure 3-11. JTAG ID (JTAGID) Register - 0x02A8 0008
Table 3-14. JTAG ID (JTAGID) Register Field Descriptions
Bit
31:28
Field
VARIANT
Value
Description
Variant (4-Bit) value. The value of this field depends on the silicon revision being
used. For more information, see the
TMS320TCI6482 Digital Signal Processor
Silicon Errata
(literature number
SPRZ235
).
Note:
the VARIANT field may be invalid if no CLKIN1 signal is applied.
Part Number (16-Bit) value. TCI6482 value: 0000 0000 1000 1010b.
Manufacturer (11-Bit) value. TCI6482 value: 0000 0010 111b.
LSB. This bit is read as a "1" for TCI6482.
27:12
11:1
0
PART NUMBER
MANUFACTURER
LSB
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Device Configuration
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