參數(shù)資料
型號(hào): 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): 47/108頁
文件大小: 380K
代理商: SAA7381
1997 Aug 12
47
Philips Semiconductors
Objective specification
ATAPI CD-R block decoder
SAA7381
7.5.3.24
SHSTAT
Table 78
SHSTAT: shadow status register; address FF97H
Note
1.
Shadow check bit: ‘shcheck’ is the ATAPI CHECK bit in the slave shadow status register for the non-existent drive.
a) 1 = Indicates an error has occurred.
b) 0 = Indicates no error has occurred.
7.5.3.25
SHERR
Table 79
SHERR: shadow error register; address FF98H
Note
1.
Shadow abort bit: ‘shabrt’ is the ATAPI ‘a(chǎn)brt’ bit in the slave shadow error register for the non-existent drive. This bit
will be read by the host in shadow mode only.
a) 1 = indicates requested command has been aborted.
b) 0 = indicates requested command successful.
7.5.3.26
HIDEV
Table 80
HIDEV: host interface device register; address FF99H (see Table 81)
ACCESS
W
BIT 7
0
BIT 6
0
BIT 5
0
BIT 4
0
BIT 3
0
BIT 2
0
BIT 1
0
BIT 0
shcheck
(1)
ACCESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
shabrt
(1)
BIT 1
BIT 0
W
0
0
0
0
0
0
0
ACCESS
BIT 7
BIT 6
BIT 5
BIT 4
BIT 3
BIT 2
BIT 1
BIT 0
RW
pdiag out
pdiag
enable
dasp out
dasp
enable
pdiag in
dasp in
hosthipi
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