W83759A Datasheet, PDF (27/41 Pages) Winbond – ADVANCED VL-IDE DISK CONTROLLER

W83759A
Control Signal
CPU
IDE ATA Bus x 2
IDEIOR, IDEIOW
IORDY
IDEIOR, IDEIOW
LADS, ... *
LDEV, LRDY
RDYRTN
LADS,...
LDEV, LRDY
RDYRTN
VL_IDE
W83759AF
(100-pin)
VL-Bus
Chip Set
W83C491/492
(160-pin x2)
XIOR
XIOW
XIOR
XIOW
XIOR
XIOW
VL_BUS
ISA Bus
* LADS,... = LADS, HMIO, HWR, HDC, BE2, BE0
IO Device
Super IO
W83787F
(100-pin)
FUNCTION BLOCK DIAGRAM
LCLK
SYSRST
LADS
RDYRTN
SP1, MD1, MD0
HA[9:2]
BE2, BE0
SA1, SA0, AEN
HMIO, HWR, HDC
VGAOEH, VGAOEL
XIOR, XIOW
TIMING
REGISTERS
MUX
Command
Enable
1f0 32 16
/170 Bit Bit
DECODE
LOGIC
PREFETCH
CONTROL
Data Flow
Control
CONTROL
LOGIC
IORDY
IDEA[2:0]
IDE0CS1
IDE0CS0
IDE1CS1
IDE1CS0
IDEIOR
IDEIOW
HD[31:0]
DATA
BUFFER
ID[15:0]
SD[7:0]
LRDY
LDEV
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Publication Release Date: May 1995
Revision A1