MSP34X1G datasheet(41/104 Pages) MICRONAS

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PRELIMINARY DATA SHEET

MSP 34x1G

Micronas

SCART SWITCHES AND DIGITAL I/O PINS

00 13hex

ACB Register

Defines the level of the digital output pins and the position of the SCART switches

bit[15]

0/1

low/high of digital output pin D_CTR_I/O_1

(MODUS[3]=0)

bit[14]

0/1

low/high of digital output pin D_CTR_I/O_0

(MODUS[3]=0)

bit[13:5]

SCART DSP Input Select

xxxx00xx0

SCART1 to DSP input (RESET position)

xxxx01xx0

MONO to DSP input (Sound A Mono must be selected in

the channel matrix mode for the corresponding output

channels)

xxxx10xx0

SCART2 to DSP input

xxxx11xx0

SCART3 to DSP input

xxxx00xx1

SCART4 to DSP input

xxxx11xx1

mute DSP input

bit[13:5]

SCART1 Output Select

xx00xxx0x

SCART3 input to SCART1 output (RESET position)

xx01xxx0x SCART2 input to SCART1 output

xx10xxx0x MONO input to SCART1 output

xx11xxx0x SCART1 DA to SCART1 output

xx00xxx1x SCART2 DA to SCART1 output

xx01xxx1x SCART1 input to SCART1 output

xx10xxx1x SCART4 input to SCART1 output

xx11xxx1x mute SCART1 output

bit[13:5]

SCART2 Output Select

00xxxx0xx

SCART1 DA to SCART2 output (RESET position)

01xxxx0xx

SCART1 input to SCART2 output

10xxxx0xx

MONO input to SCART2 output

00xxxx1xx

SCART2 DA to SCART2 output

01xxxx1xx

SCART2 input to SCART2 output

10xxxx1xx

SCART3 input to SCART2 output

11xxxx1xx

SCART4 input to SCART2 output

11xxxx0xx

mute SCART2 output

The RESET position becomes active at the time of the first write transmission

on the control bus to the audio processing part. By writing to the ACB register

first, the RESET state can be redefined.

ACB_REG

BEEPER

00 14hex

Beeper Volume and Frequency

bit[15:8]

Beeper Volume

00hex

off

7Fhex

maximum volume

bit[7:0]

Beeper Frequency

01hex

16 Hz (lowest)

40hex

1kHz

FFhex

4kHz

BEEPER

Table 3–11: Write Registers on I2C Subaddress 12hex, continued

Address

Function

Name

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