參數(shù)資料
型號(hào): TDA9875
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: Digital TV Sound Processor DTVSP
中文描述: SPECIALTY CONSUMER CIRCUIT, PDIP64
文件頁(yè)數(shù): 80/92頁(yè)
文件大?。?/td> 279K
代理商: TDA9875
1998 Feb 13
80
Philips Semiconductors
Preliminary specification
Digital TV Sound Processor (DTVSP)
TDA9875
10.4.4
A
DDITIONAL DATA REGISTERS
10.4.4.1
Description
These two bytes provide information on the additional data bits. ADBYTE0 is stored at subaddress 3.
10.4.4.2
Definition
Table 99
Subaddress 3
Table 100
Subaddress 4
Table 101
Description of Tables 99 and 100
BIT
NAME
7 (MSB)
6
5
4
3
2
1
0 (LSB)
AD7
AD6
AD5
AD4
AD3
AD2
AD1
AD0
BIT
NAME
7 (MSB)
6
5
4
3
2
1
0 (LSB)
OVW
SAD
X (don’t care)
CI1
CI2
AD10
AD9
AD8
NAME
HIGH/LOW
FUNCTION
AD10 to AD0
CI1, CI2
comprise the additional data word
these are CI bits decoded by majority logic from the parity checks of the last ten
samples in a frame
new additional data is written into the IC
reset, when the additional data bits are read
if this bit is HIGH, new additional data bits are written to the IC without the previous
bits being read
SAD
HIGH
LOW
OVW
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