MSP3400CPP View Datasheet(PDF) - Micronas

Part Name

Description

Manufacturer

MSP3400CPP

Multistandard Sound Processor

Micronas 

MSP 3400C

PRELIMINARY DATA SHEET

7.3.3. DC Level Register

DC level readout FM1

DC level readout FM2

DC Level

001bhex

H+L

001chex

H+L

[0hex ... 7FFFhex]

values are 16 bit binary

The DC level register measures the DC component of

the incoming FM signals (FM1 and FM2). This can be

used for seek functions in satellite receivers and for IF

FM frequencies fine tuning. For further processing, the

DC content of the demodulated FM signals is sup-

pressed. The time constant τ, defining the transition time

of the DC Level Register, is approximately 28 ms.

7.3.4. MSP Hardware Version Code

Hardware Version

Hardware Version

MSP 3400C – C8

001ehex

H

[00hex ... FFhex]

03hex

A change in the hardware version code defines hard-

ware optimizations that may have influence on the chip’s

behavior. The readout of this register is identical to the

hardware version code in the chip’s imprint.

7.3.5. MSP Major Revision Code

Major Revision

MSP 3400C

001ehex

L

03hex

The MSP 3400C is the third generation of ICs in the MSP

family.

7.3.6. MSP Product Code

Product

MSP 3400C

MSP 3400

MSP 3410

001fhex

0000 0000

0000 1010

0000 1010

H

00hex

0Ahex1)

0Ahex

1) Note: The MSP 3400 hardware is identical to the

MSP 3410. Therefore, the family code readout will show

‘MSP 3410’ instead of its label ‘MSP 3400’.

7.3.7. MSP ROM Version Code

ROM Version

Major software revision

MSP 3400C – B5

MSP 3400C – C6

MSP 3400C – C8

001fhex

L

[00hex ... FFhex]

0000 0101 05hex

0000 0110 06hex

0000 1000 08hex

A change in the ROM version code defines internal soft-

ware optimizations, that may have influence on the

chip’s behavior, e.g. new features may have been in-

cluded. While a software change is intended to create no

compatibility problems, customers that want to use the

new functions can identify new MSP 3400C versions ac-

cording to this number. The readout of this register is

identical to the ROM version code in the chip’s imprint.

42

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