W83759A Datasheet, PDF (16/41 Pages) Winbond – ADVANCED VL-IDE DISK CONTROLLER

W83759A
Continued
Bit 4
Bit 3, 2
Bit 1
Bit 0
SD1LEN_P
DSL1, 0_P
CRLK _P
CRSL_P
Secondary Drive 1(SD1) local device control
0
Disable local device
1
Enable local device
Device ID selection (used in multi-chip mode or CR
protection scheme)
DSL1_P DSL0_P Device ID
0
0
60h
0
1
61h
1
0
62h
1
1
63h
Configuration Register locked control
0
CR is auto-locked (multi-chip mode)
1
CR is not auto-locked (single-chip mode)
Configuration Register selection
0
CR port address: 130h, 134h, 138h, 13Ch
1
CR port address: 1B0h, 1B4h, 1B8h, 1BCh
CRX84h (POSS3)
Read Only
Power-on Setting Status 3
Bit 7
PD0EM
Bit 6
PD1EM
Bit 5
SD0EM
Bit 4
SD1EM
Bit 3
SUSPEN
Bit 2
STBY#
Bit 1
APD
Bit 0
SWAP
Bit 7
Bit 6
Bit 5
PD0EM
PD1EM
SD0EM
Power-on setting value of IDD15 pin
Initial setting of PD0 enhanced timing enable
0
Enhanced timing
1
Programmable timing
Power-on setting value of IDD14 pin
Initial setting of PD1 enhanced timing enable
0
Enhanced timing
1
Programmable timing
Power-on setting value of IDD13 pin
Initial setting of SD0 enhanced timing enable
0
Enhanced timing
1
Programmable timing
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