8 i2c and smb bus (for user access), I2c and smb bus (for user access), C and smb bus – ADLINK Express-BASE6 User Manual
Page 20: Cn33: i, C bus, Cn34: smb bus, Jp19: i, C buffer (data), Jp20: i, C buffer (clock)
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Express-BASE6 User’s Manual
Page 20
6.8 I
2
C and SMB Bus
(for user access)
CN33:
I
2
C Bus
Pin
Signal
1
+5V
2
I2C_DAT
3
I2C_CK
4
GND
CN34:
SMB Bus
Pin
Signal
1
+5V
2
SMB_DAT
3
SMB_CK
4
GND
1
1
JP19:
I
2
C BUFFER (data)
Jumper
Status
1-2
ON
2-3
OFF
<<<<
1
2
3
JP20:
I
2
C BUFFER (clock)
Jumper
Status
1-2
ON
2-3
OFF
<<<<
1
2
3
JP21:
SMBus BUFFER (data)
Jumper
Status
1-2
ON
2-3
OFF
<<<<
1
2
3
JP22:
SMBus BUFFER (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
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