W83759A Datasheet, PDF (17/41 Pages) Winbond – ADVANCED VL-IDE DISK CONTROLLER

W83759A
Continued
Bit 4
Bit 3
Bit 2
Bit 1
Bit 0
SD1EM
SUSPEN
STBY
APD
SWAP
Power-on setting value of IDD12 pin
Initial setting of SD1 enhanced timing enable
0
Enhanced timing
1
Programmable timing
Power-on setting value of IDD11 pin
Initial setting of SUSPend function
0
Support DMA mode if DMASL _P = 0 and
ADV_P = 1
1
Support suspend function if DMASL _P = 0
and ADV_P = 1.
Power-on setting value of IDD10 pin
Initial setting of STandBy state
0
W83759A is in standby state
1
W83759A is in normal state
Power-on setting value of IDD9 pin
Initial setting of auto Power-down
0
Auto power-down off
1
Auto power-down on
Power-on setting value of IDD8 pin
Initial primary, secondary channel connection select
0
Primary channel connect to IDE1
Secondary channel connect to IDE0
1
Primary channel connect to IDE0
Secondary channel connect to IDE1
CRX85h (POSP3)
Read/ Write
Power-on Setting Programming 3
Bit 7
PD0EM _P
Bit 6
PD1EM _P
Bit 5
SD0EM _P
Bit 4
SD1EM _P
Bit 3
SUSPEN_P
Bit 2
Bit 1
STBY _P ^APD_P
Bit 0
SWAP _P
Bit 7
PD0EM _P
Power-on setting programming of IDD15 pin
Programmable setting of PD0 enhanced timing enable
0
Enhanced timing
1
Programmable timing
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Publication Release Date: May 1995
Revision A1