FS450 ETC2 [List of Unclassifed Manufacturers], FS450 Datasheet - Page 35

• Manufacturer Part Number: FS450
• Description: i-Net TV Interface Video Processor
• Manufacturer: ETC2 [List of Unclassifed Manufacturers]

FS450, FS451
6.2.15 FIFOL, FIFOH - FIFO Status Port Full/Empty
FIFO Status Port Full (36)
FIFO Status Port Empty (37)
Reg
36
37
Range: {0 : 255}
6.2.16 FFO_LAT - FIFO Latency
FIFO Latency Low (38)
FIFO Latency High High (39)
Reg
38
Range: {0 : 255}
JUNE, 2000, VERSION 1.2
FFO_LAT
FFOH
FFOL
7
7
7
7
0
7
7
7
Bit#
7-0
7-0
Bit#
7-0
FFO_LAT
FFOH
FFOL
6
6
6
6
0
6
6
6
Bit Name
FFOL
FFOH
Bit Name
FFO_LAT
FFO_LAT
FFOH
FFOL
5
5
5
5
0
7-0
7-0
5
5
7-0
5
Description
FIFO Status Port Full [7:0]. Maximum number of FIFO memory
locations underrun during the VGA image (multiply by 4 to get
number of pixels corrupted). Unsigned number.
FIFO Status Port Empty [7:0]. Maximum number of FIFO
memory locations used during a VGA frame (multiply by 4 to get
number of pixels filled). Unsigned number.
Description
FIFO Latency [7:0]. Number of output clock cycles between the
initiation of VGA writes to the FIFO memory and the TV reads from
it. Multiply by 4 to get the number of 27 MHz clock delays.
FFO_LAT
FFOH
FFOL
4
4
4
4
0
4
4
4
35
FFO_LAT
FFOH
FFOL
COPYRIGHT
3
3
3
3
0
3
3
3
FFO_LAT
FFOH
FFOL
1999,2000 FOCUS ENHANCEMENTS, INC.
PRELIMINARY PRODUCT DESCRIPTION
2
2
2
2
0
2
2
2
PRELIMINARY INFORM ATION
FFO_LAT
FFOH
FFOL
1
1
1
1
0
1
1
1
FFO_LAT
FFOH
FFOL
0
0
0
0
0
0
0
0