NCN5130 Datasheet, PDF (56/58 Pages) ON Semiconductor – Transceiver

NCN5130
Analog Status Register
The Analog Status Register is located at address 0x03 and can be used to verify the voltage monitors, Xtal and thermal status.
Table 20. ANALOG STATUS REGISTER
Address
0x03
Access
Reset
Data
Bit 7
R
0
−
Analog Status Register (AnaStat)
Bit 6
Bit 5
Bit 4
Bit 3
R
R
R
R
0
0
0
0
V20V
VDD2
VBUS
VFILT
Bit 2
R
0
XTAL
Bit 1
R
0
TW
Bit 0
R
0
TSD
Table 21. ANALOG STATUS REGISTER PARAMETERS
Parameter Value
Value
Description
0
V20V
1
nOK
OK
‘1’ if voltage on V20V-pin is above the V20V undervoltage level
0
VDD2
1
nOK
OK
‘1’ if voltage on VDD2-pin is above the VDD2 undervoltage level
0
VBUS
1
nOK
OK
‘1’ if bus voltage is above the VBUS undervoltage level
0
VFILT
1
nOK
OK
‘1’ if voltage on VFILT-pin is above the VFILT undervoltage level
0
XTAL
1
nOK
OK
‘1’ if XTAL is up and running
0
No TW
TW
1
TW
‘1’ if Thermal Warning detected
TSD
0
No TSD
1
TSD
Contains information about the previous Thermal Shutdown situation
Remark: Bit 7 is reserved.
Info
p 19
p 19
P 18
p 18
p 19
p 22
Revision ID register
The Revision ID register is located at address 0x05 and can be read out to check the revision ID of the silicon and by the
firmwire of the host controller to determine the part number of the transceiver
Table 22. REVISION ID REGISTER
Address
0x05
Access
Reset
Data
Bit 7
R
X
Revision ID Register (RevID)
Bit 6
Bit 5
Bit 4
R
R
R
X
X
0
Revision
Bit 3
R
1
Bit 2
R
1
Part Number
Bit 1
R
0
Bit 0
R
0
Table 23. REVISION ID REGISTER PARAMETERS
Parameter
Value
Value
Description
Info
Revision
Silicon revision ID
Part Number
01100
NCN5130
Transceiver Part Number
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