AMIS-49200 Datasheet, PDF (19/22 Pages) AMI SEMICONDUCTOR – Fieldbus MAU Chip

AMIS-49200 Fieldbus MAU
Data Sheet
The pins affected by this are 41, 42, and 43. If the low power mode is not being used on the µSAA22Q, these three pins are grounded.
On the AMIS-49200 it is required that these pins be grounded.
5.2 Pin Differences Between the µSAA22Q and the AMIS-49200
Table 12: Pin Connection Differences Between the µSAA22Q and the AMIS-49200
µSAA22Q
AMIS-49200
Pin Num
Signal
Name
Recommended
Connection
Signal Name
Required Connection
1
NC
Ground
VSS
Ground
11
NC
Ground
VSS
Ground
22
NC
Ground
VSS
Ground
26
NC
Ground
MDS_CTRL
Ground*
33
NC
Ground
VSS
Ground
39
JAB/
Ground if not used
VSS
Ground
41
CJB
1 µf cap
VSS
Ground
42
VTX
Ground
VSS
Ground
43
VSL
Ground
VSS
Ground
* MDS_CTRL is only connected to ground if POL is connected to VDD. See Table 1 for a detailed description of the interaction between
MDS_CTRL and POL.
AMI Semiconductor – Jan. 07, M-20532-003
19
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