2004 Microchip Technology Inc.
Advance Information
DS70119B-page 189
dsPIC30F6010
FIGURE 24-15:
QEA/QEB INPUT CHARACTERISTICS
TABLE 24-27: QUADRATURE DECODER TIMING REQUIREMENTS
AC CHARACTERISTICS
Standard Operating Conditions: 2.5V to 5.5V
(unless otherwise stated)
Operating temperature
-40°C
≤
T
A
≤
+85°C for Industrial
-40
°
C
≤
T
A
≤
+125°C for Extended
Param
No.
Symbol
Characteristic
(1)
Typ
(2)
Max
Units
Conditions
TQ30
T
QU
L
Quadrature Input Low Time
6 T
CY
—
ns
—
TQ31
T
QU
H
Quadrature Input High Time
6 T
CY
—
ns
—
TQ35
T
QU
IN
Quadrature Input Period
12 T
CY
—
ns
—
TQ36
T
QU
P
Quadrature Phase Period
3 T
CY
—
ns
—
TQ40
T
QUF
L
Filter Time to Recognize Low,
with Digital Filter
3 * N * T
CY
—
ns
N = 1, 2, 4, 16, 32, 64,
128 and 256
(Note 2)
TQ41
T
QUF
H
Filter Time to Recognize High,
with Digital Filter
3 * N * T
CY
—
ns
N = 1, 2, 4, 16, 32, 64,
128 and 256
(Note 2)
Note 1:
These parameters are characterized but not tested in manufacturing.
2:
N = Index Channel Digital Filter Clock Divide Select Bits. Refer to
Section 16. “Quadrature Encoder
Interface (QEI)”
in the
dsPIC30F Family Reference Manual
.
TQ3
TQ35
TQ3
QEA
(input)
TQ3
TQ3
TQ3
QEB
(input)
TQ36
QEB
Internal
TQ4
TQ4
Summary of Contents for dsPIC30F6010
Page 12: ...dsPIC30F6010 DS70119B page 10 Advance Information 2004 Microchip Technology Inc NOTES...
Page 32: ...dsPIC30F6010 DS70119B page 30 Advance Information 2004 Microchip Technology Inc NOTES...
Page 38: ...dsPIC30F6010 DS70119B page 36 Advance Information 2004 Microchip Technology Inc NOTES...
Page 50: ...dsPIC30F6010 DS70119B page 48 Advance Information 2004 Microchip Technology Inc NOTES...
Page 68: ...dsPIC30F6010 DS70119B page 66 Advance Information 2004 Microchip Technology Inc NOTES...
Page 72: ...dsPIC30F6010 DS70119B page 70 Advance Information 2004 Microchip Technology Inc NOTES...
Page 76: ...dsPIC30F6010 DS70119B page 74 Advance Information 2004 Microchip Technology Inc NOTES...
Page 86: ...dsPIC30F6010 DS70119B page 84 Advance Information 2004 Microchip Technology Inc NOTES...
Page 108: ...dsPIC30F6010 DS70119B page 106 Advance Information 2004 Microchip Technology Inc NOTES...
Page 116: ...dsPIC30F6010 DS70119B page 114 Advance Information 2004 Microchip Technology Inc NOTES...
Page 128: ...dsPIC30F6010 DS70119B page 126 Advance Information 2004 Microchip Technology Inc NOTES...
Page 150: ...dsPIC30F6010 DS70119B page 148 Advance Information 2004 Microchip Technology Inc NOTES...
Page 164: ...dsPIC30F6010 DS70119B page 162 Advance Information 2004 Microchip Technology Inc NOTES...
Page 208: ...dsPIC30F6010 DS70119B page 206 Advance Information 2004 Microchip Technology Inc NOTES...
Page 220: ...dsPIC30F6010 DS70119B page 220 Advance Information 2004 Microchip Technology Inc NOTES...
Page 221: ...2004 Microchip Technology Inc Advance Information DS70119B page 221 dsPIC30F6010 NOTES...