20-668-0011 Rabbit Semiconductor, 20-668-0011 Datasheet - Page 3

• Manufacturer Part Number: 20-668-0011
• Description: IC MPU RABIT3000A 55.5MHZ128LQFP
• Manufacturer: Rabbit Semiconductor

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

Chapter 1. The Rabbit 3000 Processor
Chapter 2. Clocks
Chapter 3. Reset and Bootstrap
Chapter 4. System Management
Table of Contents
1.1 Introduction...........................................................................................................................................1
1.2 Features .................................................................................................................................................1
1.3 Block Diagram ......................................................................................................................................3
1.4 Basic Specifications ..............................................................................................................................4
1.5 Comparing Rabbit Microprocessors .....................................................................................................5
2.1 Overview...............................................................................................................................................7
2.2 Dependencies ........................................................................................................................................9
2.3 Operation ............................................................................................................................................10
2.4 Register Descriptions ..........................................................................................................................18
3.1 Overview.............................................................................................................................................23
3.2 Dependencies ......................................................................................................................................24
3.3 Operation ............................................................................................................................................25
3.4 Register Descriptions ..........................................................................................................................27
4.1 Overview.............................................................................................................................................29
4.2 Dependencies ......................................................................................................................................31
4.3 Operation ............................................................................................................................................32
4.4 Register Descriptions ..........................................................................................................................34
2.1.1 Block Diagram .............................................................................................................................8
2.1.2 Registers .......................................................................................................................................8
2.2.1 I/O Pins ........................................................................................................................................9
2.2.2 Other Registers .............................................................................................................................9
2.3.1 Main Clock .................................................................................................................................10
2.3.2 Spectrum Spreader .....................................................................................................................11
2.3.3 Clock Doubler ............................................................................................................................13
2.3.4 32 kHz Clock .............................................................................................................................16
3.1.1 Block Diagram ...........................................................................................................................23
3.1.2 Registers .....................................................................................................................................24
3.2.1 I/O Pins ......................................................................................................................................24
3.2.2 Clocks .........................................................................................................................................24
3.2.3 Other Registers ...........................................................................................................................24
3.2.4 Interrupts ....................................................................................................................................24
4.1.1 Block Diagram ...........................................................................................................................30
4.1.2 Registers .....................................................................................................................................30
4.2.1 I/O Pins ......................................................................................................................................31
4.2.2 Clocks .........................................................................................................................................31
4.2.3 Interrupts ....................................................................................................................................31
4.3.1 Periodic Interrupt .......................................................................................................................32
4.3.2 Real-Time Clock ........................................................................................................................32
4.3.3 Watchdog Timer ........................................................................................................................33
4.3.4 Secondary Watchdog Timer (Rabbit 3000A) ............................................................................33
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