L64777 LSI Logic Corporation, L64777 Datasheet - Page 103
L64777
Manufacturer Part Number
L64777
Description
DVB Qam Modulator
Manufacturer
LSI Logic Corporation
Datasheet
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A.1 Serial Bus Protocol Overview
Appendix A
Programming the
L64777 in Serial Host
Interface Mode
This appendix discusses how to program the L64777 internal registers
and data tables in serial host interface mode. This chapter is intended
primarily for system programmers who are developing software drivers
using the serial bus.
This appendix contains the following sections:
The multimaster serial bus interface has two 1-bit lines—SDA (Serial
Data) and SCL (Serial Clock)—that are connected to the bus as shown
in Figure A.1. External pullup resistors hold the bus at a logic 1 value
when the bus is not in operation.
L64777 DVB QAM Modulator Technical Manual
Section A.1, “Serial Bus Protocol Overview,” page A-1, provides a
high-level overview of the serial bus protocol.
Section A.2, “Programming the Slave Address Using the Serial Bus
Interface,” page A-4, shows how the slave address is formed and
transmitted.
Section A.3, “Write Cycle Using the Serial Bus Interface,” page A-4,
shows an example of a serial bus write cycle.
Section A.4, “Read Cycle Using the Serial Bus Interface,” page A-5,
shows an example of a serial bus read cycle.
Section A.5, “Limitations,” page A-7, shows the limitations of the
L64777
A-1
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