ls7266r1 LSI Computer Systems, Inc., ls7266r1 Datasheet - Page 11

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

7266R1-100704-11
LCNTR
RCNTR
CNTR
CNTR
COMP
BW
CY
B
BW
A
DIRECTION (B)
A
B
GATE (ABG)
COUNT IN (A)
FIGURE 6. COUNT (A), DIRECTION (B) AND GATE (ABG) INPUTS IN NON-QUADRATURE MODE
CNTR
COMP
BW
0
A
B
999998 999999
t
9
0
1
FIGURE 7.
1
FIGURE 9. RANGE LIMIT, NON-QUADRATURE (Shown with PR = 4)
2
FIGURE 8.
DOWN
2
UP
3
COUNT DISABLE
0
UP
CNTR DISABLED
NON-RECYCLE, NON-QUADRATURE, BCD MODE
3
4 (CNTR FROZEN)
MODULO - N, NON-QUADRATURE
0
1
t
12
CNTR ENABLED
t
8S
CNTR DISABLED
1
2
2
1
t
3
9
t
UP
GS
CNTR ENABLED
1
0
DOWN
2
0
999999
1
COUNT ENABLE
3
DOWN
0 (CNTR FROZEN)
2
0
(Shown with N = 3)
t
11
1
t
8H
999999
t
10
DOWN
0
CNTR DISABLED
UP
3
N
t
1
GH
CNTR ENABLED
2
N-1
t
11
2
N-2