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nanoX-BASE User’s ManualPage 22

6.10 I

C Bus

CN32: I

C Bus

(for user access)

Pin Signal

1 +5V

2 I2C_DAT

3 I2C_CK

4 GND

JP15: I2C EEPROM A0

Jumper Status

1-2 A0_HIGH "1"

2-3 A0_LOW "0" <<<<

JP17: I2C EEPROM A2

JP16: I2C EEPROM A1

Jumper Status

1-2 A1_HIGH "1"

2-3 A1_LOW "0" <<<<

Jumper Status

1-2 A2_HIGH "1"

2-3 A2_LOW "0" <<<<

I2C EEPROM Address Selection

Jumpers JP15 to JP17 configure the device address of the Atmel AT24C08A I2C EEPROM.

The 8K AT24C08A EEPROM only uses the A2 device address bit. See the device

datasheet for detailed information.

JP11/12: I2C Buffer (data/clock)

Jumper Status

1-2 ON

2-3 OFF <<<<

JP13/14: SMBus Buffer (data/clock)

Jumper Status

1-2 ON

2-3 OFF <<<<

I2C/SMBus Buffers

These buffers settings are for isolation of the I2C and SMBus - test feature only.

ON: I2C/SMBus passes through LTC4300A-2 Buffer

OFF: Bypass Buffer

Note: <<<< indicates default setting

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