User's Manual l STK-MBa53 UM 100 l © 2013 TQ-Group
Page 12
Table 10:
I2C address mapping (I2C3 bus)
Device
Ref
Device address
Hex
MSB
Binary
LSB
STK
STK
STK
STK----MBa53
MBa53
MBa53
MBa53
DVI transmitter
(TFP410)
D8
0x38
0
1
1
1
0 (A3)
0 (A2)
0 (A1)
DVI connector
(Version DDC2B)
X5
0x50
1
0
1
0
0
0
0
DVI connector
(Version DDC / CI)
X5
0x37
0
1
1
0
1
1
1
DVI connector
(Version E-DDC)
X5
0x30
0
1
1
0
0
0
0
Table 11:
Possible configurations of the I2C addresses for the I/O expander
Device address
Resistors
Remark
Hex
A2
A1
A0
R66
R67
R64
R65
R62
R63
0x20
0
0
0
0 Ω
n.a.
0 Ω
n.a.
0 Ω
n.a.
Default
0x21
0
0
1
0 Ω
n.a.
0 Ω
n.a.
n.a.
10 kΩ
0x22
0
1
0
0 Ω
n.a.
n.a.
10 kΩ
0 Ω
n.a.
0x23
0
1
1
0 Ω
n.a.
n.a.
10 kΩ
n.a.
10 kΩ
0x24
1
0
0
n.a.
10 kΩ
0 Ω
n.a.
0 Ω
n.a.
0x25
1
0
1
n.a.
10 kΩ
0 Ω
n.a.
n.a.
10 kΩ
0x26
1
1
0
n.a.
10 kΩ
n.a.
10 kΩ
0 Ω
n.a.
0x27
1
1
1
n.a.
10 kΩ
n.a.
10 kΩ
n.a.
10 kΩ
Table 12:
Possible configurations of the I2C addresses for the temperature sensor
Device address
Resistors
Remark
Hex
A2
A1
A0
R72
R73
R70
R71
R68
R69
0x48
0
0
0
0 Ω
n.a.
0 Ω
n.a.
0 Ω
n.a.
0x49
0
0
1
0 Ω
n.a.
0 Ω
n.a.
n.a.
10 kΩ
Default
0x4A
0
1
0
0 Ω
n.a.
n.a.
10 kΩ
0 Ω
n.a.
0x4B
0
1
1
0 Ω
n.a.
n.a.
10 kΩ
n.a.
10 kΩ
0x4C
1
0
0
n.a.
10 kΩ
0 Ω
n.a.
0 Ω
n.a.
0x4D
1
0
1
n.a.
10 kΩ
0 Ω
n.a.
n.a.
10 kΩ
0x4E
1
1
0
n.a.
10 kΩ
n.a.
10 kΩ
0 Ω
n.a.
0x4F
1
1
1
n.a.
10 kΩ
n.a.
10 kΩ
n.a.
10 kΩ
Attention: destruction or malfunction
Attention: destruction or malfunction
Attention: destruction or malfunction
Attention: destruction or malfunction
There are no pull-ups for the I2C3 bus on the STK-MBa53.
On a carrier board these pull-ups have to be provided, however.
The pin headers X18 and X19 as well as the DVI receptacle X5 are described in sections 4.2.13, or 4.2.7.
