Jameco Electronics 3000 ユーザーズマニュアル

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Rabbit 3000 Microprocessor
3.5  Interrupt Structure .............................................................................................................................. 44
3.5.1  Interrupt Priority ........................................................................................................................ 44
3.5.2  Multiple External Interrupting Devices ..................................................................................... 46
3.5.3  Privileged Instructions, Critical Sections and Semaphores  ....................................................... 46
3.5.4  Critical Sections ......................................................................................................................... 47
3.5.5  Semaphores Using Bit B,(HL)  .................................................................................................. 47
3.5.6  Computed Long Calls and Jumps .............................................................................................. 48
4.1  Precisely Timed Output Pulses .......................................................................................................... 49
4.2  Open-Drain Outputs Used for Key Scan............................................................................................ 51
4.3  Cold Boot ........................................................................................................................................... 52
4.4  The Slave Port .................................................................................................................................... 53
5.1  LQFP Package.................................................................................................................................... 56
5.2  Ball Grid Array  Package ................................................................................................................... 59
5.3  Rabbit Pin Descriptions...................................................................................................................... 62
5.4  Bus Timing ......................................................................................................................................... 64
5.5  Description of Pins with Alternate Functions .................................................................................... 65
5.6  DC Characteristics.............................................................................................................................. 68
5.7  I/O Buffer Sourcing and Sinking Limit.............................................................................................. 69
6.1  Default Values for all the Peripheral Control Registers..................................................................... 73
7.1  Processor Identification...................................................................................................................... 79
7.2  Rabbit Oscillators and Clocks ............................................................................................................ 80
7.3  Clock Doubler .................................................................................................................................... 83
7.4  Clock Spectrum Spreader................................................................................................................... 86
7.5  Chip Select Options for Low Power .................................................................................................. 87
7.6  Output Pins CLK, STATUS, /WDTOUT, /BUFEN .......................................................................... 90
7.7  Time/Date Clock (Real-Time Clock) ................................................................................................. 91
7.8  Watchdog Timer................................................................................................................................. 93
7.9  System Reset ...................................................................................................................................... 95
7.10  Rabbit Interrupt Structure................................................................................................................. 97
7.11  Bootstrap Operation ....................................................................................................................... 101
7.12  Pulse Width Modulator .................................................................................................................. 103
7.13  Input Capture.................................................................................................................................. 105
7.14  Quadrature Decoder ....................................................................................................................... 110
8.1  Interface for Static Memory Chips................................................................................................... 115
8.2  Memory Mapping Overview ............................................................................................................ 117
8.3  Memory-Mapping Unit .................................................................................................................... 117
8.4  Memory Interface Unit..................................................................................................................... 119