B.1 Prototyping Board Overview
The Prototyping Board included in the Development Kit makes it easy to connect a Jack- rabbit board to a power supply and a PC workstation for development. It also provides some basic I/O peripherals (switches and LEDs), as well as a prototyping area for more advanced hardware development.
For the most basic level of evaluation and development, the Prototyping Board can be used without modification.
As you progress to more sophisticated experimentation and hardware development, modi- fications and additions can be made to the board without modifying or damaging the Jack- rabbit board itself.
The Prototyping Board is shown below in Figure
Jackrabbit |
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Connectors |
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| User |
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| LEDs |
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| Buzzer |
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| J2 |
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| PB1 | PB3 | PB5 | PB7 | PCLK | PE7 | PE5 | PE3 | PE1 | GND | HV1 | HV3 | +RAW VCC |
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| LS1 |
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| R3 |
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| VCC | PA1 | PA3 | PA5 | PA7 | GND |
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| 3 |
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| 2 |
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| J3 | COIL(+) | COIL()- | R1 |
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| + |
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| 1 |
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| GND |
| PA2 | PA4 | PA6 | GND | PB0 | DS3 PA2 PB2 | DS4 PA3 PB4 | DS5 PA4 PB6 | DS6 PA5 WDO | DS7 PA6 GND | DS8 PA7 PE6 | S1 PB2 PE4 | S2 PB3 PE2 | S3 PB4 PE0 | S4 PB5 HV0 | GND GND HV2 | K GND |
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| HV0 | +RAWPOT PE4 |
| S1 GND AD0 |
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| JP1 | PA0 | PA1 |
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| JP2 RN1 BZR |
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| RT1 |
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| VCC K | DS1 AD0 | PD0 |
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| 6 |
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| DS1 | DS2 |
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| PA0 J4 |
| 1 | J5 |
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| DS2 |
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| 9 | 5 |
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| Prototyping | N.C. | COM | N.O. |
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| DS4 DS3 |
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| S3S2 | User | ||||||||||
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| Area |
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| Switches | |||||||||
| J1 | GND |
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| DS5 |
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| TXC | TXB RXB |
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| GND VBAT J6 |
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| DS8 DS7 DS6 |
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| S4 |
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RXC |
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| RXB RXC | TXB TXC | PC0 PC1 | PC2 PC3 | PC4 PC5 | PC6 PC7 | AD0 AGND | DA0 DA1 | PD0 PD1 | PD2 PD3 | PD4 PD5 | PD6 PD7 | GND GND | 485– 485+ | VCC VCC | SM0 SM1 | IOBEN STAT |
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| GND | /RST GND |
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Signal |
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| Power | ||||||||||||||||||||||||
| J7 |
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| PWR | |||||||||||||||||||||||||
Header |
| VCC | S5 |
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| DS9 | LED | ||||||||||||||||||||||||||
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| RESET |
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| JACKRABBIT PROTOTYPING BOARD |
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| Extension |
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| Reset |
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| Headers |
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| Switch |
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Figure B-1. Prototyping Board
70 | Jackrabbit (BL1800) |