MSP3421G MICRONAS [Micronas], MSP3421G Datasheet - Page 41

• Manufacturer Part Number: MSP3421G
• Description: Multistandard Sound Processor Family with Virtual Dolby Surround
• Manufacturer: MICRONAS [Micronas]

PRELIMINARY DATA SHEET
Table 3–11: Write Registers on I
Micronas
Register
Address
SCART SWITCHES AND DIGITAL I/O PINS
00 13
BEEPER
00 14
hex
hex
Function
ACB Register
Defines the level of the digital output pins and the position of the SCART switches
bit[15]
bit[14]
bit[13:5]
bit[13:5]
bit[13:5]
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.
Beeper Volume and Frequency
bit[15:8]
bit[7:0]
SCART DSP Input Select
xxxx00xx0
xxxx01xx0
xxxx10xx0
xxxx11xx0
xxxx00xx1
xxxx11xx1
SCART1 Output Select
xx00xxx0x
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
SCART2 Output Select
00xxxx0xx
01xxxx0xx
10xxxx0xx
00xxxx1xx
01xxxx1xx
10xxxx1xx
11xxxx1xx
11xxxx0xx
Beeper Volume
00
7F
Beeper Frequency
01
40
FF
0/1
0/1
hex
hex
hex
hex
hex
2
C Subaddress 12
off
maximum volume
16 Hz (lowest)
1 kHz
4 kHz
low/high of digital output pin D_CTR_I/O_1
(MODUS[3]=0)
low/high of digital output pin D_CTR_I/O_0
(MODUS[3]=0)
SCART1 to DSP input (RESET position)
MONO to DSP input (Sound A Mono must be selected in
the channel matrix mode for the corresponding output
channels)
SCART2 to DSP input
SCART3 to DSP input
SCART4 to DSP input
mute DSP input
SCART3 input to SCART1 output (RESET position)
SCART1 DA to SCART2 output (RESET position)
SCART1 input to SCART2 output
MONO input to SCART2 output
SCART2 DA to SCART2 output
SCART2 input to SCART2 output
SCART3 input to SCART2 output
SCART4 input to SCART2 output
mute SCART2 output
hex
, continued
MSP 34x1G
Name
ACB_REG
BEEPER
41