ZR36504 Просмотр технического описания (PDF) - Unspecified

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Компоненты Описание

производитель

ZR36504

Video & Audio Interface solution via USB

Unspecified 

ZORAN Corporation

USBvision II Data Decoder

ZR36505 Data Sheet

Read transaction protocol:

SETUP PID

byte0=0xC2

Device Address End-Point #1

byte1=0x33

byte4 = RA

I/O-Reg address

Host initiates I/O-Reg

operation

byte5=0x00

Host defines

Reg-Address

ACK PID

NT1004 sends handshake to host

IN PID

Device Address End-Point #1

DATA0(1) PID DATA-byte #1

DATA-byte #2

(optional)

ACK PID

Host initiates Read operation

DATA-byte #8

(optional)

NT1004

sends Data

bytes 1-8

Host sends handshake to NT1004

OUT PID

...Empty OUT Packet

Host terminates Setup Command

ACK PID

NT1004 sends handshake to host

DATA

byte #

1

2

3

4

5

6

7

8

Contents

Register Data

Register Data

Register Data

Register Data

Register Data

Register Data

Register Data

Register Data

Description

Byte read from register at address RA.

Optional. Byte read from register at address RA+1.

Optional. Byte read from register at address RA+2.

Optional. Byte read from register at address RA+3.

Optional. Byte read from register at address RA+4.

Optional. Byte read from register at address RA+5.

Optional. Byte read from register at address RA+6.

Optional. Byte read from register at address RA+7.

Note: Reading from an address that does not exist is legal, but will return unpredicted data.

November-99

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