ls7266r1 LSI Computer Systems, Inc., ls7266r1 Datasheet - Page 13

• Manufacturer Part Number: ls7266r1
• Description: 24-bit Dual-axis Quadrature Counter
• Manufacturer: LSI Computer Systems, Inc.

7266R1-100704-13
ISA BUS
PC AT/XT
M C 6 8 0 0 0
M C 6 8 0 1 0
M C 6 8 H C 0 0 0
AEN
IOW
IOR
A9
A8
A7
A6
A5
A4
A3
A2
A1
A0
FIGURE 11B. LS7266R1 INTERFACE EXAMPLES
D7
D6
D5
D4
D3
D2
D1
D0
DTACK
FIGURE 11A. LS7266R1 INTERFACE EXAMPLES
A 1 - A 2 3
D 0 - D 7
LDS
R/W
ADDRESS
DECODER
A D D R E S S
D E C O D E
D0
D1
D2
D3
D4
D5
D6
D7
A1
A2
10
11
4
5
6
7
8
9
D0
D1
D2
D3
D4
D5
D6
D7
LS7266R1
CS
C/D
X/Y
D 0 - D 7
RD
WR
WR
RD
C/D
X/Y
CS
L S 7 2 6 6 R 1
I4
I6
I3
I7
I5
IOW
IOR
A0
A1