ATA20 White Electronic Designs Corporation, ATA20 Datasheet - Page 25
![no-image](/images/no-image-200.jpg)
ATA20
Manufacturer Part Number
ATA20
Description
Density = 8MB-160MB ;; Memory Device = Hitachi Flash ;; Organization = X16/x8 ;; Speed (ns) = 250 ;; Volt = 3/5 ;;
Manufacturer
White Electronic Designs Corporation
Datasheet
1.ATA20.pdf
(66 pages)
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June 2000 Rev. 5 – ECO #12935
Address Data 7
0E0H
0E2H
0E4H
0E6H
0E8H
0EAH
0ECH
0EEH
7PxxxATA20xxC25
F0H
01H
07H
F6H
03H
01H
EEH S
20H X
6 5 4 3 2 1 0
P L M IRQ level
R P R
O
A T
Description of contents
1st I/O base address (LSB)
1st I/O base address (MSB)
1st I/O length - 1
2nd I/O base address (LSB)
2nd I/O base address (MSB)
2nd I/O length - 1
S = 1: Share logic active
P = 1: Pulse mode IRQ
supported
L = 1: Level mode IRQ
supported
M = 0: Bit mask of IRQs
present
IRQ level is IRQ14
X = 0: No more misc fields
R: reserved
P = 1: Power down supported
RO = 0: Not read only mode
A = 0: Audio not supported
T = 0: Single drive
25
White Electronic Designs Corporation (508) 366-5151
CIS function
1st I/O range address
1st I/O range length
2nd I/O range address
2nd I/O range length
Interrupt request description
structure
TPCE_IR
Miscellaneous features field
TPCE_MI
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