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Signal description – pin name order (continued) – Rainbow Electronics AT76C551 User Manual

Page 13

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13

AT76C551

1612D–08/01

ASYNC

O

Frame Sync – Out

ACLK_IN

I Master

Clock

– In

ABCLK_IN

I

Bit Clock – In

ASYNC_IN

I

Frame Sync – In

JTAG Pins

DB_DATA

O

Debug data port

DB_CLK

O

Debug clock port

NTRST

I

JTAG reset input

TCK

I

JATG clock

TDI

I

JTAG data input

TDO

I

JTAG data output

TMS

I

JTAG master select input

TEST Pins

TEST_CTRL

I

For production test

TEST_ECK

I

For production test

PLL_TEST_PIN

I

For production test.

Signal Description – Pin Name Order (Continued)

I = Input, O = Output, B = Bidirectional, Analog I = Analog Input, Analog O = Analog Output

Pin Name

Type

Description