NEC UPD98413 User Manual page 191

(21) Transmit port address register (PTADRT)
The PTADRT register sets the transmit port address.
Register Address
Name
PTADRT Port0: 006C H
Port1: 046C H
Port2: 086C H
Port3: 0C6C H
31 30 29 28
15 14 13 12
Reserved
Bit Field
D31- Reserved Set to 0.
D10
UTOPIA mode:
D9-
D8 UADR [1:0]
Sets the transmit port address for UTOPIA.
POS-PHY mode:
Sets the polling address for POS-PHY.
D7- D0
IADR [7:0] Sets the transmit in-band port address.
CHAPTER 5 REGISTERS
Access Default
R/W 00000000 H
00010001 H
00020002 H
00030003 H
27 26 25 24
Reserved
11 10 9 8
UADR[1:0]
PRELIMINARY
23 22 21 20
7 6 5 4
IADR[7:0]
Function
19 18 17 16
3 2 1 0
Default
0
Port0: 0
Port1: 1
Port2: 2
Port3: 3
Port0: 0
Port1: 1
Port2: 2
Port3: 3
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