20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 192
20-668-0011
Manufacturer Part Number
20-668-0011
Description
IC MPU RABIT3000A 55.5MHZ128LQFP
Manufacturer
Rabbit Semiconductor
Datasheet
1.20-668-0011.pdf
(312 pages)
Specifications of 20-668-0011
Processor Type
Rabbit 3000 8-Bit
Speed
55.5MHz
Voltage
2.5V, 2.7V, 3V, 3.3V
Mounting Type
Surface Mount
Package / Case
128-LQFP
Data Bus Width
8 bit
Maximum Clock Frequency
55.5 MHz
Operating Supply Voltage
1.8 V to 3.6 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Minimum Operating Temperature
- 55 C
Number Of Programmable I/os
56
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Features
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
316-1061
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
20-668-0011
Manufacturer:
Rabbit Semiconductor
Quantity:
10 000
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21.4 Register Descriptions
182
(Write-
(Write-
(Read-
(Read-
(Read-
(Read-
Bit(s)
only)
only)
only)
only)
only)
only)
Quad Decode Control/Status Register
7
6
5
4
3
2
1
0
Value
0
1
0
1
0
1
0
1
0
1
0
1
Quadrature Decoder 2 did not increment from 0xFF (0x3FF in 10-bit mode).
Quadrature Decoder 2 incremented from 0xFF (0x3FF in 10-bit mode) to 0x00.
This bit is cleared by a read of his register.
Quadrature Decoder 2 did not decrement from 0x00.
Quadrature Decoder 2 decremented from 0x00 to 0xFF (0x3FF in 10-bit mode).
This bit is cleared by a read of this register.
This bit always reads as zero.
No effect on Quadrature Decoder 2.
Reset Quadrature Decoder 2 to 0x00 without causing an interrupt.
Quadrature Decoder 1 did not increment from 0xFF (0x3FF in 10-bit mode).
Quadrature Decoder 1 incremented from 0xFF (0x3FF in 10-bit mode) to 0x00.
This bit is cleared by a read of this register.
Quadrature Decoder 1 did not decrement from 0x00.
Quadrature Decoder 1 decremented from 0x00 to 0xFF (0x3FF in 10-bit mode).
This bit is cleared by a read of this register.
This bit always reads as zero.
No effect on Quadrature Decoder 1.
Reset Quadrature Decoder 1 to 0x00 without causing an interrupt.
(QDCSR)
Description
Rabbit 3000 Microprocessor User’s Manual
(Address = 0x0090)
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