HDSP-390X Agilent(Hewlett-Packard), HDSP-390X Datasheet - Page 26

• Manufacturer Part Number: HDSP-390X
• Description: 20 mm (0.8 inch) Seven Segment Displays
• Manufacturer: Agilent(Hewlett-Packard)

HDMP-1012 (Tx), HDMP-1014 (Rx)
Control Frame Structure
M20SEL Not Asserted (16 bit mode)
HDMP-1012 (Tx), HDMP-1014 (Rx)
Control Frame Structure
M20SEL Asserted (20 bit mode)
Fill Frame Codes
Two logical fill frames are
provided: FF0 and FF1. FF0 is
physically a 50% duty cycle wave
form with its sole rising edge
HDMP-1012 (Tx), HDMP-1014 (Rx)
Fill Frame Structure
M20SEL Not Asserted (16 bit mode)
HDMP-1012 (Tx), HDMP-1014 (Rx)
Fill Frame Structure
M20SEL Asserted (20 bit mode)
598
D0 - D6
D0 - D8
D0 - D8
D0 - D8
D
D
Fill Frame
Fill Frame
0
0
- D
- D
1b
1b
1a
1a
6
6
0
0
D7
D9
0
1
0
1
D-Field
D-Field
111111111
111111111
111111111
1111111
1111111
1111111
D10
D8
1
0
1
0
D9 - D15
D11-D19
D
D
D
D
7
7
D-Field
D-Field
9
9
- D
- D
-D
-D
10
11
00
10
11
00
17
17
13
13
occurring between C1 and C2.
Logical FF1 toggles between two
different physical codes, the first
of which advances the falling edge
of FF0 by one bit, the second of
000000000
000000000
000000000
C0
C0
C-Field
0
1
C-Field
0
1
0000000
0000000
0000000
C1
C1
0
1
0
1
C2
C2
1
0
1
0
C-Field
C-Field
0011
0011
0011
0011
0011
0011
C3
C3
1
0
1
0
which retards the falling edge of
FF0 by one bit. Two logical fill
frame types are required for link
start up in duplex mode.