ALXD800EEXJ2VD AMD (ADVANCED MICRO DEVICES), ALXD800EEXJ2VD Datasheet - Page 485
ALXD800EEXJ2VD
Manufacturer Part Number
ALXD800EEXJ2VD
Description
Manufacturer
AMD (ADVANCED MICRO DEVICES)
Datasheet
1.ALXD800EEXJ2VD.pdf
(675 pages)
Specifications of ALXD800EEXJ2VD
Operating Temperature (min)
0C
Operating Temperature (max)
85C
Operating Temperature Classification
Commercial
Mounting
Surface Mount
Lead Free Status / RoHS Status
Compliant
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Video Input Port Register Descriptions
6.10.2
6.10.2.1 VIP Control Register 1 (VIP_CTL_REG1)
VIP Memory Offset 00h
Type
Reset Value
AMD Geode™ LX Processors Data Book
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
ANC_FF
31:29
28:24
23:20
Bit
VIP Control/Configuration Registers
Name
ANC_FF
VID_FF
ERR_DETECT
VID_FF
R/W
42000001h
ERR_DETECT NI MB DZ DD
Description
Ancillary FIFO Flush. Watermark level for flushing the 64-deep ancillary FIFO. This
value determines how full the ancillary FIFO is before VIP starts writing QWORDs to sys-
tem memory. If the FIFO has greater than 4 QWORDs and the address is aligned, VIP
generates a burst (4 QWORDs) transaction.This value is reset to 2 (flush when 17
QWORDs).
0: Flush when there is at least 1 QWORD.
1: Flush when there are at least 9 QWORDs.
2: Flush when there are at least 17 QWORDs. (Default)
n: Flush when there are at least nx8 +1 QWORDs (up to n = 7x8 +1 = 57).
(ANC FIFO size is 64 QWORDs).
Video FIFO Flush. Watermark level for flushing the 64-deep (planar mode) or 192-deep
(linear mode) FIFO(s). This value determines how full the ancillary FIFO is before VIP
starts writing QWORDs to system memory. If the FIFO has greater than 4 QWORDs and
the address is aligned, VIP generates a burst (4 QWORDs) transaction. This value is
reset to 2 (flush when 17 QWORDs).
0: Flush when there is at least 1 QWORD.
1: Flush when there are at least 9 QWORDs.
2: Flush when there are at least 17 QWORDs. (Default)
n: Flush when there are at least nx8+1 QWORDs).
(FIFO size is 192 QWORDs in Linear mode, maximum value is 17H/23d).
(FIFO size is 64 QWORDs in Planar mode, maximum value is 7).
Video Detection Enable. Selects what detection circuitry is used to detect loss of valid
video input. When an error is detected, the video_ok output is set low. The associated
interrupt pending bit must be cleared to allow the video_ok signal to return high.
Bit 23: Runaway Line Error Abort (aborts line if a line is detected longer then 3000
clocks).
Bit 22: Vertical Timing error (Vertical Count Register must be programmed) or address-
ing error (max_addr reg must be programmed).
Bit 21: Number of clocks per active line error (checks that each line has the same # of
data).
Bit 20: Loss of VIP clock (watchdog timer using GLIU clocks --128 GLIU clocks).
VIP_CTL_REG1 Bit Descriptions
VIP_CTL_REG1 Register Map
DT_EN
9
8
33234C
RUN_MODE P VIP_MODE
7
6
5
4
3
2
1
485
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