20-668-0003 Rabbit Semiconductor, 20-668-0003 Datasheet - Page 5

• Manufacturer Part Number: 20-668-0003
• Description: IC CPU RABBIT2000 30MHZ 100PQFP
• Manufacturer: Rabbit Semiconductor

Specifications of 20-668-0003

• Processor Type: Rabbit 2000 8-Bit
• Speed: 30MHz
• Voltage: 2.7V, 3V, 3.3V, 5V
• Mounting Type: Surface Mount
• Package / Case: 100-MQFP, 100-PQFP
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 30 MHz
• Operating Supply Voltage: 0 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 40
• Number Of Timers: 8 & 10 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Features: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 20-668-0003; 316-1062

Chapter 11. Timers
Chapter 12. Rabbit Serial Ports
Chapter 13. Rabbit Slave Port
Chapter 14. Rabbit 2000 Clocks
Chapter 15. AC Timing Specifications
Chapter 16. Rabbit BIOS and Virtual Driver
Chapter 17. Other Rabbit Software
Table of Contents
11.1 Timer A
11.2 Timer B
12.1 Serial Port Register Layout
12.2 Serial Port Interrupt
12.3 Transmit Serial Data Timing
12.4 Receive Serial Data Timing
12.5 Clocked Serial Ports
12.6 Clocked Serial Timing
12.7 Serial Port Software Suggestions
13.1 Hardware Design of Slave Port Interconnection
13.2 Slave Port Registers
13.3 Applications and Communications Protocols for Slaves
14.1 Low-Power Design
14.2 Clock Spectrum Spreader Module
15.1 Memory Access and I/O Read/Write Times
15.2 Current Consumption
16.1 The BIOS
16.2 Virtual Driver
17.1 Power Management Support
17.2 Reading and Writing I/O Registers
17.3 Shadow Registers
11.1.1 Timer A I/O Registers ............................................................................................................113
11.1.2 Practical Use of Timer A .......................................................................................................114
11.2.1 Using Timer B ........................................................................................................................117
12.6.1 Clocked Serial Timing With Internal Clock ..........................................................................128
12.6.2 Clocked Serial Timing with External Clock ..........................................................................128
12.7.1 Controlling an RS-485 Driver and Receiver ..........................................................................131
12.7.2 Transmitting Dummy Characters ...........................................................................................131
12.7.3 Transmitting and Detecting a Break ......................................................................................131
12.7.4 Using A Serial Port to Generate a Periodic Interrupt .............................................................131
12.7.5 Extra Stop Bits, Sending Parity, 9th Bit Communication Schemes .......................................132
12.7.6 Supporting 9th Bit Communication Protocols .......................................................................134
12.7.7 Rabbit-Only Master/Slave Protocol .......................................................................................135
12.7.8 Data Framing/Modbus ...........................................................................................................135
13.3.1 Slave Applications .................................................................................................................145
13.3.2 Master-Slave Messaging Protocol .........................................................................................146
16.1.1 BIOS Services ........................................................................................................................165
16.1.2 BIOS Assumptions .................................................................................................................166
16.2.1 Periodic Interrupt ...................................................................................................................166
16.2.2 Watchdog Timer Support .......................................................................................................166
17.2.1 Using Assembly Language ....................................................................................................170
17.2.2 Using Library Functions ........................................................................................................170
17.3.1 Updating Shadow Registers ...................................................................................................171
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