Atmel AT91SAM7L-STK Uživatelská příručka stáhnout pdf (Strana 33)

Configuration

5-6 AT91SAM7L-STK Rev. B Starter Kit User Guide

6414A–ATARM–12-Sep-08

5.4 Solder Drops

Some solder drop selectors have been set on the AT91SAM7L-STK to enable alternate power supply

schemes, such as selecting the internal charge pump to be used, or not, for the Segment LCD controller

supply.

Table 5-6. Solder Drops on AT91SAM7L-STK

Designation Default Setting Feature

SD1 Opened Disables VDDIO2 to VDDLCD connection

SD2 2-3 Selects VCC or VDD3V6 to VDDLCD

SD3 Closed Enables VDDOUT applying to VDDCORE

SD4 2-3 Selects VDDINLCD input

1 2 ... 28 29 30 31 32 33 34 35 36 37 38 39 40

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Atmel AT91SAM7L-STK Uživatelská příručka Strana 33