SBE HighWire HW400c/2 Dokumentacja Pobierz pdf (Strona 47)

HW400p/M Technical Reference - 1.0, March 6, 2002 CPLD Registers 47

Port Option Register (POR) The Port Option Register (POR) is a read-only register. This register indicates

the number and type of ports in the product specific design.

Table 5-14 shows the bits assigned to the POR.

The POR bits and states are defined as:

Note: For HW400p/M, the register will always be 0x04.

Table 5-14 Port Option Register – FFE2000C

Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0

POR7 POR6 POR5 POR4 POR3 POR2 POR1 POR0

POR[7:0] = 00 hex 2 T1/E1/J1 ports available

= 01 4 T1/E1/J1 ports available

= 02 6 T1/E1/J1 ports available

= 03 8 T1/E1/J1 ports available

= 04 No ports

= 05–FF Reserved

1 2 ... 42 43 44 45 46 47 48 49 50

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SBE HighWire HW400c/2 Dokumentacja Strona 47