參數(shù)資料
型號: TDA9875AH/V2,557
廠商: NXP SEMICONDUCTORS
元件分類: 消費家電
英文描述: SPECIALTY CONSUMER CIRCUIT, PQFP64
封裝: PLASTIC, QFP
文件頁數(shù): 85/96頁
文件大小: 324K
代理商: TDA9875AH/V2,557
1999 Dec 20
86
Philips Semiconductors
Product specication
Digital TV Sound Processor (DTVSP)
TDA9875A
Table 102 General format for entering the expert mode and writing coefcients into the TDA9875A
Table 103 Explanation of Table 102
Table 104 General format (notes 1, 2 and 3)
Notes
1. X = don’t care.
2. MST = most significant third.
3. LST = least significant third.
Table 105 Transfer of two coefcients
S
SLAVE
ADDRESS
0
ACK
10000000
ACK
CRAM
ADDRESS
ACK
DATA
ACK
DATA
ACK
P
BIT
FUNCTION
S
START condition
SLAVE ADDRESS
7-bit device address
0
data direction bit (write to device)
ACK
acknowledge
10000000
pattern to enter the expert mode
CRAM ADDRESS
start address of coefcient RAM to write to
DATA
data byte containing part of a coefcient
P
STOP condition
BYTE
DATA
DESCRIPTION
1 data byte
aaaaaaaa
2 MST of 1st coefcient
2 data byte
aaaa
XXXX
1 LST of 1st coefcient
BYTE
DATA
DESCRIPTION
1 data byte
aaaaaaaa
2 MST of 1st coefcient
2 data byte
aaaabbbb
1 LST of 1st coefcient + 1 MST of 2nd coefcient
3 data byte
bbbbbbbb
2 LST of 2nd coefcient
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