Using The Saa6752 Button; Using The I; Using The Sw Reset Button - Philips ISP1581 User Manual

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In the SAA7114 Initialization dialog box, click the Load button and select file SAA7114PAL.URG
(if you are using the PAL standard) or SAA7114NTSC_YC_020.URG (if you are using the NTSC
standard), to initialize the SAA7114 chip. Then click the Transfer button to send the initial
command to the chip. When the file transfer is complete, click OK.
6.3.

Using the SAA6752 Button

To directly access the internal registers of SAA6752, choose SAA6752 in the MPEG Device
Control and Status group. This will open the SAA6752 Initialization dialog box for initializing
SAA6752. The procedure to initialize SAA6752 is similar to the SAA7114 initialization procedure
given in Section 6.2.
6.4.

Using the I

The I
and SAA6752. This operation is solely for advanced users having strong hardware background
who wish to perform low-level debugging of the hardware. For more details on the I
operation, refer to the SAA6752 and SAA7114 datasheets–"SAA6752HS MPEG-2 video and MPEG-
audio/AC-3 audio encoder with multiplexer" and "SAA7114H PAL/NTSC/SECAM video decoder with
adaptive PAL/NTSC comb filter, VBI-data slicer and high performance scaler." The general read and
write operations are given in Figure 6-3 and Figure 6-4, respectively.
6.5.

Using the SW Reset Button

Another advanced function is issuing a reset command through the USB cable to the SAA7114
and SAA6752 chips on the board by using the SW Reset button.
User manual
2
C Control Button
2
C control allows you to read data from and write data to the internal registers of SAA7114
Figure 6-3: Read Operation
Figure 6-4:Write Operation
Rev. 03.00 — 12 April 2004
ISP1581 Hi-Speed USB MPEG2 Encoder Reference Kit
UM10016_3
2
C control
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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