KX-NCP1104XJ (serv.man2) - Panasonic PBX Service Manual (repair manual). Page 50

50

1. Strap-in is latched during power-up or reset.
2.  Ipu = Input w/ internal pull-up.
Ipd/O = Input w/ internal pull-down during reset output pin otherwise.
Ipu/O = Input w/ internal pull-up during reset, output pin otherwise.
See “Reference Circuit” section for pull-up/pull-down and float information.

Pin No.

Pin Name

I/O

Description

6,5,  4,3

PHYAD[4:1]/RXD[0:3]

Ipd/O

PHY Address latched at power-up/reset. The default PHY address is 00001.                                                                                                 

25

PHYADO/INT# Ipu/O

9

PCS_LPBK/RXDV

Ipd/O

Enables PCS_LPBK mode at power-up/reset. PD (default) = Disable, PU = Enable.

11

ISO/RXER

Ipd/O

Enables ISOLATE mode at power-up/reset. PD (default) = Disable, PU = Enable.

21

RMII/COL

Ipd/O

Enables RMII mode at power-up/reset. PD (default) = Disable, PU = Enable.

22

RMII_BTBCRS

Ipd/O

Enable RMIl back-to-back mode at power-up/reset. PD (default) = Disable, PU = Enable.                          

27

SPD100/NoFEF/LED1

Ipu/O

Latched into Register 0h bit 13 during power-up/reset. PD = 10Mbps, PU (default) =
100Mbps. If SPD100 is asserted during power-up/reset, this pin is also latched as the
Speed Support in register 4h. (If FXEN is pulled up, the latched value 0 means no Far_End
_FauIt)

28

DUPLEX/LED2

Ipu/O

Latched into Register 0h bit 8 during power-up/reset. PD = Half-duplex, PU (default) = Full-
duplex. If Duplex is pulled up during reset, this pin is also latched as the Duplex support in
register 4h.

29

NWAYEN/LED3

Ipu/O

Nway (auto-negotiation) Enable. Latched into Register 0h bit 12 during power-up/ reset. PD
= Disable Auto-Negotiation, PU (default) = Enable Auto-Negotiation.

30

 PD#

Ipu

Power-Down Enable. PU (default) =Normal operation, PD = Power-Down mode.