Texas Instruments TMS320C64x DSP Benutzerhandbuch
GPIO Registers
5-3
General Purpose I/O Operation
SPRU629
5.1.1
Video Port Peripheral Identification Register (VPPID)
The video port peripheral identification register (VPPID) is a read-only register
used to store information about the peripheral. The VPPID is shown in
Figure 5–1 and described in Table 5–2.
used to store information about the peripheral. The VPPID is shown in
Figure 5–1 and described in Table 5–2.
Figure 5–1. Video Port Peripheral Identification Register (VPPID)
31
24 23
16
Reserved
TYPE
R-0
R-0000 0001
15
8 7
0
CLASS
REVISION
R-0000 1001
R-x
†
Legend: R = Read only; -n = value after reset
† See the device-specific datasheet for the default value of this field.
† See the device-specific datasheet for the default value of this field.
Table 5–2. Video Port Peripheral Identification Register (VPPID) Field Descriptions
Bit
field
†
symval
†
Value
Description
31–24
Reserved
–
0
Reserved. The reserved bit location is always read as 0. A
value written to this field has no effect.
value written to this field has no effect.
23–16
TYPE
Identifies type of peripheral.
OF(value)
01h
Video port.
15–8
CLASS
Identifies class of peripheral.
OF(value)
09h
Video
7–0
REVISION
Identifies revision of peripheral.
OF(value)
x
See the device-specific datasheet for the value.
† For CSL implementation, use the notation VP_VPPID_field_symval