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148
RabbitCore RCM3209/RCM3229
Quad Decode Control
Register
QDCR
Address = 10010001 (0x91)
Bit
Value
Description
7:6
0x
Disable Quadrature Decoder 2 inputs. Writing a new
value to these bits will not cause Quadrature
Decoder 2 to increment or decrement.
10
Quadrature Decoder 2 inputs from Port F bits 3 and
2.
11
Quadrature Decoder 2 inputs from Port F bits 7 and
6.
5:4
xx
These bits are ignored.
3:2
0x
Disable Quadrature Decoder 1 inputs. Writing a new
value to these bits will not cause Quadrature
Decoder 1 to increment or decrement.
10
Quadrature Decoder 1 inputs from Port F bits 1 and
0.
11
Quadrature Decoder 1 inputs from Port F bits 5 and
4.
1:0
0
Quadrature Decoder interrupts are disabled.
1
Quadrature Decoder interrupt use Interrupt Priority
1.
10
Quadrature Decoder interrupt use Interrupt Priority
2.
11
Quadrature Decoder interrupt use Interrupt Priority
3.
Quad Decode Count Register
QDC1R
Address = 10010100 (0x94)
(QDC2R)
Address = 10010110 (0x96)
Bit(s)
Value
Description
7:0
read
The current value of the Quadrature Decoder
counter is reported.
Table E-5. Quadrature Decoder Registers (continued)
Register Name
Mnemonic
Address
Summary of Contents for RabbitCore RCM3209
Page 1: ...RabbitCore RCM3209 RCM3229 C Programmable Module with Ethernet User s Manual 019 0165 080528 D...
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Page 84: ...78 RabbitCore RCM3200...
Page 135: ...User s Manual 129 keyConfig continued RETURN VALUE None SEE ALSO keyProcess keyGet keypadDef...
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