Rainbow-electronics SBC35-A9G20-C11 Uživatelský manuál stáhnout pdf (Strana 13)

Designation Default setting Feature

JP1 1-2 Xin OSC Input level voltage

1-2 : 3.3V

2-3: 1.0V

J9 2-3 Slow Clock OSCSEL

1-2: internal RC osc.

2-3: Ext crystal osc.

J14 1-2 VDDBU

1-2: Lithium 3V Battery

2-3: 1.0V from VDDCORE

J15 1-2 NAND chipselect

opened: nand chipselect not connected

closed: nand chipselect connected

SW3 on CF mode selection

on: CF interface in true ide mode

off: CF interface in memory/io mode

S1 opened Boot configuration

opened: boot from internal ROM

closed: boot from NCS0

S2 opened Nand write protect

opened: write protection disabled

closed: write protection enabled

Datasheet USG-00019-A01 13/24

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 23 24

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