20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 200
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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22.4 Register Descriptions
190
Bit(s)
Bit(s)
Bit(s)
* Bits 5:1 are ignored in the original Rabbit 3000 microprocessor.
5:4
2:1
7:6
7:0
7:0
3
0
*
Timer A Time Constant 9 Register
*
*
PWM MSB x Register
PWM LSB x Register
Value
Value
Value
Write
Write
00
01
10
11
00
01
10
11
0
1
The least significant two bits for the Pulse Width Modulator count are stored.
Normal PWM operation.
Suppress PWM output seven out of eight iterations of PWM counter.
Suppress PWM output three out of four iterations of PWM counter.
Suppress PWM output one out of two iterations of PWM counter.
This bit is ignored and should be written with zero.
Pulse Width Modulator interrupts are disabled.
Pulse Width Modulator interrupts use Interrupt Priority 1.
Pulse Width Modulator interrupts use Interrupt Priority 2.
Pulse Width Modulator interrupts use Interrupt Priority 3.
PWM output High for single block.
Spread PWM output throughout the cycle.
Most significant eight bits for the Pulse Width Modulator count. With a count of
“n”, the PWM output will be High for “n + 1” clocks out of the 1024 clocks of
the PWM counter.
Time constant for the Timer A counter. This time constant will take effect the
next time that the Timer A counter counts down to zero. The timer counts
modulo n + 1, where n is the programmed time constant.
(PWM0R)
(PWM1R)
(PWM2R)
(PWM3R)
(PWL0R)
(PWL1R)
(PWL2R)
(PWL3R)
(TAT9R)
Description
Description
Description
Rabbit 3000 Microprocessor User’s Manual
(Address = 0x008A)
(Address = 0x008C)
(Address = 0x008E)
(Address = 0x008B)
(Address = 0x008D)
(Address = 0x00A8)
(Address = 0x0088)
(Address = 0x0089)
(Address = 0x008F)
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