Memory, Miscellaneous, Ethernet – Rainbow Electronics SBC35-A9G20-C11 User Manual

Page 14: Expansion connectors j10 & j11

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1.2. Memory

Memory configuration

Designation

Default setting

Feature

SDRAM U4 & U8

R60

R65

Soldered

Enables U4 (D[16..31])chip select access

Enables U8 (D[0..15]) chip select access

NANDFlash U7

J15

R71

closed

Soldered

Opened

Enables the use of NANDFlash

Enables the use of Ready/busy signal

Disables write protect

1.3. Miscellaneous

Designation

Default setting

Feature

R15

soldered

USB device: Enables the use of USBCNX signal.

R46

R47

R45

R19

R18

R52

R16

R17

R53

soldered

RTS0

TXD0

DTR0

DCD0

DSR0

RXD0

CTS0

RI0

Receiver outputs enabled.

1.4. Ethernet

The Ethernet PHY DP83848 is wired in RMII mode.

1.5. Expansion connectors J10 & J11

Datasheet USG-00019-A01

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