Specifications

106 Data Path Routing (DPR) HighWire MTP-2 - 1.2, September 4, 2002
DPR_BUS_CLOCK. Selects a T8102 clock source to drive the local bus.
The putmsg control buffer is a structure of type dpr_usel_t with the usel_val
element specifying the clocking source. The getmsg control buffer returned is
also a dpr_usel_t structure with the error code in the usel_err element, which
is zero on success. The allowed clock source values are:
DPR_BUS_NETREF. Sets the source for the NETREF signal.
The putmsg control buffer is a structure of type dpr_usel_t with the usel_val
element containing the source setting using the macro SET_NETREF (assign,
source). The getmsg control buffer returned is also a dpr_usel_t structure with
the error code in the usel_err element, which is zero on success. The
NETREFs that can be assigned are:
T8100_CT_BUS_NO_CLK Do not drive the local bus clock.
T8100_CT_BUS_CLK_A Clock A to drive the local bus.
T8100_CT_BUS_CLK_B Clock B to drive the local bus.
T8100_CT_BUS_CLK_AB Clock A and B to drive the local bus.
T8100_CT_BUS_NO_NETREF No NETREF assigned to CT Bus.
T8100_CT_BUS_NETREF_1 NETREF1 assigned to CT Bus.
T8100_CT_BUS_NETREF_2 NETREF2 assigned to CT Bus.
T8100_CT_BUS_NETREF_12 Both NETREF1 and NETREF2 assigned to
CT Bus.