SAA7706H/N210S,557 NXP Semiconductors, SAA7706H/N210S,557 Datasheet - Page 24

• Manufacturer Part Number: SAA7706H/N210S,557
• Description: IC DSP CAR RADIO 80QFP
• Manufacturer: NXP Semiconductors
• Type: Car Signal Processorr

Specifications of SAA7706H/N210S,557

• Interface: I²C, I²S, LSB, SPDIF
• Voltage - I/o: 3.30V
• Voltage - Core: 3.30V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Clock Rate: -
• Non-volatile Memory: -
• On-chip Ram: -

Philips Semiconductors
8.12
8.12.1
For external control two input pins have been
implemented. The status of these pins can be changed by
applying a logic level. The status is saved in the DSP1
status register. The function of each pin depends on the
DSP1 program.
To control external devices two output pins are
implemented. The status of these pins is controlled by the
DSP program.
Function of these ‘control pins’ can be found in a separate
manual and is rom_code dependent.
8.12.2
For external control four configurable I/O pins have been
implemented. Via the I
independently configured as input or output. The status of
these pins can be changed by applying a logic level (input
mode). The status is saved in the DSP2 status register.
The function of each pin depends on the I
and DSP2 program.
Function of these ‘control pins’ can be found in a separate
manual and is rom_code dependent.
2001 Mar 05
Car radio Digital Signal Processor (DSP)
External control pins
DSP1
DSP2
2
C-bus these four pins can be
2
C-bus setting
24
8.13
General information about the I
“The I
ordered using the code 9398 393 40011. For the external
control of the SAA7706H device a fast I
implemented. This is a 400 kHz bus which is
downward-compatible with the standard 100 kHz bus.
There are two different types of control instructions:
The detailed description of the I
of the different bits in the memory map is given in
Chapter 9.
Instructions to control the DSP program, programming
the coefficient RAM and reading the values of
parameters (level, multipath etc.)
Instructions controlling the data flow; such as source
selection, IAC control and clock speed.
2
C-bus and how to use it” . This document can be
I
2
C-bus control (pins SCL and SDA)
2
2
C-bus and the description
C-bus can be found in
Product specification
SAA7706H
2
C-bus is