TMS320C6455
www.ti.com
SPRS276M –MAY 2005–REVISED MARCH 2012
Table 3-13. Device Status Register (DEVSTAT) Field Descriptions (continued)
Bit Field Value Description
3:0 BOOTMODE[3:0] 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.]
0000 No boot (default mode)
0001 Host boot (HPI)
0010 Reserved
0011 Reserved
0100 EMIFA 8-bit ROM boot
0101 Master I2C boot
0110 Slave I2C boot
0111 Host boot (PCI)
1000 Serial Rapid I/O boot
thru
1111
For more detailed information on the boot modes, see Section 2.4, Boot Sequence.
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
C6455 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 PART NUMBER MANUFACTURER
LSB
(4-bit) (16-bit) (11-bit)
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 Field Value Description
31:28 VARIANT Variant (4-Bit) value. The value of this field depends on the silicon revision being
used. For more information, see the TMS320C6455/54 Digital Signal Processor
Silicon Errata (literature number SPRZ234).
Note: the VARIANT field may be invalid if no CLKIN1 signal is applied.
27:12 PART NUMBER Part Number (16-Bit) value. C6455 device value: 0000 0000 1000 1010b.
11:1 MANUFACTURER Manufacturer (11-Bit) value. C6455 device value: 0000 0010 111b.
0 LSB LSB. This bit is read as a "1" for the C6455 device.
Copyright © 2005–2012, Texas Instruments Incorporated Device Configuration 73
Submit Documentation Feedback
Product Folder Link(s): TMS320C6455
To Next Page
Loading...
Need help?
General
