TMB22153AMS100 데이터 시트보기 (PDF) - Fairchild Semiconductor

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TMB22153AMS100

Demonstration Board for the TMC22x5yA Multistandard Digital Video Decoder

Fairchild Semiconductor 

PRELIMINARY INFORMATION

TMB22153AMS100

Quick Setup/Verification for Composite NTSC

Input, YUV Output

1. Configure jumpers:

If using R-Bus interface, JP2 must be closed

(connected)

Leave JP1 open (unconnected)

Verify that JP4 is linked to the odd-numbered pins of

JP6

2. Configure slider-switches (push red slider TOWARD

specified marking on board) :

E1 “FPGA”

E2 “FPGA”

E3 “VS”

E4 “PXCK4\”

E5 “GP”

E6 “GH”

E7 “GV”

E8 “XP”

3. If you have reason to believe the bottom cover has been

removed, remove it and configure S4 as follows:

1-7 ON (low)

8

OFF (high)

4. Ensure BNC J1 (VIN1) is connected to composite

NTSC signal.

5. Ensure piano-key switches P3-0, Y are in the “LOW”

(down) position.

6. Plug in power-supply connector and apply power.

LED’s corresponding to applied voltages should light-

up.

7. Press and release the MRST button (S2). The TMC2072

and TMC22x5yA should both be programmed. To

verify the TMC2072 is functioning correctly, check for

presence of a clock (TP sync pulses, VS (TP18) and

HS (TP17). Likewise, to verify the TMC22x5yA is

functioning, check for presence of DHSYNC (TP5) and

DVSYNC (TP6).

Power Supply Requirements

The TMB22153AMS100 power supply connector is on

the top edge of the board toward the left side. The

TMB22153AMS100 board requires DC power supply

voltages of +5V and -5V.

The +5V supply provides power and voltage references to

the TMC22x5yA and /TMC2072, as well as driving TTL

logic devices. It is for this reason that a bench power supply

with short cable lengths is recommended.

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