データシートサーチシステム |
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ATmega128 データシート(PDF) 25 Page - ATMEL Corporation |
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ATmega128 データシート(HTML) 25 Page - ATMEL Corporation |
25 / 61 page Hardware Description AVR STK500 User Guide 3-15 1925C–AVR–3/03 3.8 Jumper Settings A master microcontroller and the eight jumpers control the hardware settings of the starter kit. During normal operation these jumpers should be mounted in the default position. To configure the starter kit for advanced use, the jumpers can be removed or set to new positions. The jumper settings and usage are explained in the following sec- tion. The default setting of the jumpers are shown in Figure 3-20. Figure 3-20. Default Jumper Setting Table 3-4. Description of Jumpers Jumper Description of Default Setting VTARGET On-board VTARGET supply connected AREF On-board Analog Voltage Reference connected RESET On-board Reset System connected XTAL1 On-board Clock System connected OSCSEL On-board Oscillator selected BSEL2 Unmounted. Used for High-voltage Programming of ATmega8, ATmega16, ATmega161, ATmega163, ATmega128, and ATmega323 PJUMP Unmounted. Used for High-voltage Programming of AT90S2333, AT90S4433, and ATmega8 VTARGET AREF RESET XTAL1 OSCSEL BSEL2 PJUMP |
同様の部品番号 - ATmega128 |
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同様の説明 - ATmega128 |
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