nanoX-BASE
User’s Manual
Page 22
6.10
I
2
C Bus
CN32:
I
2
C Bus
(for user access)
Pin
Signal
1
+5V
2
I2C_DAT
3
I2C_CK
4
GND
1
JP15:
I2C EEPROM A0
Jumper
Status
1-2
A0_HIGH "1"
2-3
A0_LOW "0" <<<<
1
2
3
JP17:
I2C EEPROM A2
JP16:
I2C EEPROM A1
Jumper
Status
1-2
A1_HIGH "1"
2-3
A1_LOW "0" <<<<
1
2
3
Jumper
Status
1-2
A2_HIGH "1"
2-3
A2_LOW "0" <<<<
1
2
3
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
<<<<
1
2
3
JP13/14: SMBus Buffer (data/clock)
Jumper
Status
1-2
ON
2-3
OFF
<<<<
1
2
3
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
