4LS datasheet(70/115 Pages) AMSCO

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4LS

Datasheet

• PUBLIC

DS000542

• v3-01 • 2022-Nov-17

114

│ 69

Figure 111

Total Number of LVDS Drivers per 2K5 Segment

Top Side

Bottom Side

Total Number of LVDS

(per 2K5 segment)

LVDS

Driver Data

Clock

LVDS

Driver Data

LVDS

Driver Data

Clock

LVDS

Driver Data

1-To-1

2-To-1

4-To-1

9.1.14

Test Multiplexer Register (Address 0x0D)

This register sets the output of test analogue pad to a certain signal.

Figure 112:

TMXReg

Address: 0x0D

Default Value: 0x00

Access: Read/Write

Bit

Bit Name

Default

Bit Description

7:5

N/A

00b

Not used.

4:0

Test Multiplexer

output select

000000b

Internal Debug Purposes

Defines the output of the test multiplexer to

a specific test signal.

9.1.15

Test Mode Register (Address 0x0E)

This register sets the CIS to defined states, so that some tests can be performed to debug/check

some blocks and operational conditions.

Figure 113:

TMDReg

Address: 0x0E

Default Value: 0x30

Access: Read/Write

Bit

Bit Name

Default

Bit Description

7:6

N/A

00b

Not used.

Auto Transfer

Internal Debug Purposes

When set to ‘1’ increases the time to transfer

data from shadow to effective memory.

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