Texas Instruments DM6467 Digital Video Evaluation Module TMDXEVM6467T TMDXEVM6467T Datenbogen
Produktcode
TMDXEVM6467T
SPRS605C – JULY 2009 – REVISED JUNE 2012
4.6.2.1
HPICTL Register
The HPI control register (HPICTL) [0x01C4 0030] controls write access to HPI control and address
registers and determines the host time-out value. HPICTL is not reset by a soft reset so that the HPI width
will remain correctly configured.
registers and determines the host time-out value. HPICTL is not reset by a soft reset so that the HPI width
will remain correctly configured.
and
describe in detail the HPICTL register.
31
18
17
16
RESERVED
RESERVED
R-0000 0000 0000 00
R/W-00
15
14
10
9
8
7
0
WIDTH
RESERVED
CTLMODE
ADDMODE
TIMOUT
R/W-0
R-000 00
R/W-0
R/W-0
R/W-1000 0000
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Figure 4-14. HPICTL Register [0x01C4 0030]
Table 4-18. HPICTL Register Bit Descriptions
BIT
NAME
DESCRIPTION
31:18
RESERVED
Reserved. Read-only, writes have no effect.
17:16
RESERVED
Reserved. For proper device operation, the user should only write "0" to these bits (default).
HPI Data Width.
0 = Half-width (16-bit) data bus
0 = Half-width (16-bit) data bus
15
WIDTH
1 = Full-width (32-bit) data bus
This bit value must be determined before releasing the UHPI from reset to ensure correct UHPI
operation.
This bit value must be determined before releasing the UHPI from reset to ensure correct UHPI
operation.
14:10
RESERVED
Reserved. Read-only, writes have no effect.
HPIC Register Write Access.
9
CTLMODE
0 = Host
1 = DMSoC (if ADDMODE = 1)
1 = DMSoC (if ADDMODE = 1)
HPIA Register Write Access.
8
ADDMODE
0 = Host
1 = DMSoC
1 = DMSoC
Host Burst Write Timeout Value.
When the HPI time-out counter reaches the value programmed here, the HPI write FIFO content is
When the HPI time-out counter reaches the value programmed here, the HPI write FIFO content is
7:0
TIMOUT
flushed. For more details on the time-out counter and its use in write bursting, see the
TMS320DM646x DMSoC Host Port Interface (HPI) User's Guide (literature number SPRUES1).
TMS320DM646x DMSoC Host Port Interface (HPI) User's Guide (literature number SPRUES1).
4.6.2.2
USBCTL Register
The USB interface control register (USBCTL) [0x01C4 0034] is described in
and
.
31
19
18
17
16
RESERVED
DATAPOL VBUSVAL
USBID
R-0000 0000 0000 0
R/W-1
R/W-0
R/W-0
15
9
8
7
5
4
3
1
0
PHY
PHY
PHY
RESERVED
RESERVED
RESERVED
CLKGD
PLLON
PDWN
R-0000 000
R-0
R-000
R/W-0
R-000
R/W-1
LEGEND: R/W = Read/Write; R = Read only; -n = value after reset
Figure 4-15. USBCTL Register [0x01C4 0034]
106
Device Configurations
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