參數(shù)資料
型號: SAA7381
廠商: NXP SEMICONDUCTORS
元件分類: 消費(fèi)家電
英文描述: ATAPI CD-R block decoder
中文描述: SPECIALTY CONSUMER CIRCUIT, PQFP144
文件頁數(shù): 22/108頁
文件大?。?/td> 380K
代理商: SAA7381
1997 Aug 12
22
Philips Semiconductors
Objective specification
ATAPI CD-R block decoder
SAA7381
Table 22
Description of the STAT1 register bits; address FF09H (see notes 1 and 2)
Notes
1.
2.
Resetting the chip clears all bits in this register.
The bits in this register indicate the reliability of data in the HEAD0 to HEAD3 and SUBHEAD0 to SUBHEAD3
registers.
Bits ‘minerr’, ‘secerr’, ‘blkerr’ and ‘moderr’ indicate errors in the minutes, seconds, frames and mode bytes in the
header of the current block.
Bits ‘sh0err’ to ‘sh3err’ indicate errors in the respective bytes in the subheader.
3.
4.
Table 23
Description of the STAT2 register bits; address FF0AH (see Tables 24, 25 and 26)
Table 24
Description of the ‘mode’ and ‘form’ bits
Table 25
Description of the ‘rform’ bits
2
sblk
0
1
0
1
short block indication
one or more bytes of the block are flagged with C2 flags
reserved
reserved
1
erablk
0
BIT 7
minerr
(3)
BIT 6
secerr
(3)
BIT 5
blkerr
(3)
BIT 4
moderr
(3)
BIT 3
sh0err
(4)
BIT 2
sh1err
(4)
BIT 1
sh2err
(4)
BIT 0
sh3err
(4)
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
rmod3
rmod2
rmod1
rmod0
mode
form
rform1
rform2
mode
form
SETTING
0
1
X
0
0
1
Mode 1
Mode 2, Form 1
Mode 2, Form 2 or ECC correction impossible
rform1
rform2
MEANING
0
0
1
0
1
X
Form 1
Form 2
error in Form byte
BIT
NAME
VALUE
DESCRIPTION
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