MSP3410D datasheet(22/83 Pages) MICRONAS

22 / 83 page

MSP 34x0D

PRELIMINARY DATA SHEET

Micronas

6.2. Demodulator Write Registers: Table and Addresses

6.3. Demodulator Read Registers: Table and Addresses

Table 6–1: Demodulator Write Registers; Subaddress: 10hex; these registers are not readable!

Demodulator

Write Registers

Address

(hex)

Function

Demodulator

Short-

Programming

0020

Write into this register to apply Demodulator Short Programming (see sec-

tion 6.4.1. on page 23). If the internal setting coincidences with the individ-

ual requirements no more of the remaining Demodulator Write Registers

have to be transferred.

AUTO_FM/AM

0021

Only for NICAM: Automatic switching between NICAM and FM/AM in case

of bad NICAM reception (see section 6.4.2. on page 24)

Write Registers necessary for General Programming Mode only

AD_CV

00BB

input selection, configuration of AGC, Mute Function and selection of

A/D converter, FM Carrier Mute on/off

MODE_REG

0083

mode register

FIR1

FIR2

0001

0005

filter coefficients channel 1 (6

× 8 bit)

filter coefficients channel 2 (6

× 8 bit), + 3 × 8 bit offset (total 72 bits)

DCO1_LO

DCO1_HI

DCO2_LO

DCO2_HI

0093

009B

00A3

00AB

increment channel 1 low part

increment channel 1 high part

increment channel 2 low part

increment channel 2 high part

PLL_CAPS

001F

switchable PLL capacitors to tune open-loop frequency; to use only if

NICAM of MODE_REG = 0 ; normally not of interest for the customer

Table 6–2: Demodulator Read Registers; Subaddress: 11hex; these registers are not writable!

Demodulator

Read Registers

Address

(hex)

Function

Result of

Autodetection

007E

(see Table 6–13)

C_AD_BITS

0023

NICAM Sync bit, NICAM C bits, and three LSBs of additional data bits

ADD_BITS

0038

NICAM: bit [10:3] of additional data bits

CIB_BITS

003E

NICAM: CIB1 and CIB2 control bits

ERROR_RATE

0057

NICAM error rate, updated with 182 ms

CONC_CT

0058

only to be used in MSPB compatibility mode

FAWCT_IST

0025

only to be used in MSPB compatibility mode

PLL_CAPS

021F

Not for customer use.

AGC_GAIN

021E

Not for customer use.

MSP3410D Datasheet(PDF) 22 Page - Micronas

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