Emerson CC1000DM user manual C.C.1. 0. .0.0. D. .M. . .C.O. N. .T.R. O. .L. .S.I.G. N. .A. L. S

C A R R I E R C A R D B U S I N T E R F A C E

CC1000dm Control Signals

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Table 4-2:

Control Signals

Note:

The 66 MHz PCI operation requires 3.3 V signaling.

.C.C.1. 0. .0.0. D. .M. . .C.O. N. .T.R. O. .L. .S.I.G. N. .A. L. S. . . . . . . . . . . . . . . . . . . . . .

Both the primary (cPCI) and secondary (PMC) sides of the PCI bridge can be selected for either 3.3 volt or 5 volt signaling. Refer to the PCI Local Bus Specification, Revision 2.3 for details on these signals. All signals are bi-directional unless otherwise stated. This is described as follows:

Signal:	Description:
p_vio	PRIMARY INTERFACE I/O VOLTAGE. If a device on the primary PCI bus uses 5 volt
	signaling, then p_vio is configured for 5 volt signaling. If the device uses 3.3 volt
	signaling, then p_vio is configured for 3.3 volt signaling.
	The primary side 3.3 V/5 V operation is controlled by the CompactPCI VIO.
s_vio	SECONDARY INTERFACE I/O VOLTAGE. If a device on the secondary PCI bus uses
	5 volt signaling, then s_vio is configured for 5 volt signaling. If the device uses 3.3
	volt signaling, then s_vio is configured for 3.3 volt signaling.
	The secondary side 3.3 V/5 V operation is controlled by a hardware jumper on the
	carrier card (refer to page 2-7).

Table 4-3:

J1 Connector Pin Assignments

.B.A. C. .K.P.L. A. .N. E. . C. .O.N. .N. E. C. .T.O. R. . .P.I .N. .A. S. .S.I.G.N. .M. E. .N. T. S. . . . . . . .

The tables in this section list the CC1000dm backplane signals. Connectors J1 and J2 provide CompactPCI bus signals (see specification for details). The pin assignments for connectors J3 and J5 are compatible with the Motorola MCP/MCPN750 board. All sig- nals are bi-directional unless stated otherwise.

Pin:

Row Z: Row A:

Row B:

Row C:

Row D:

Row E:

Row F:

1	ground	+5V	-12V	no connect	+12V	+5V	ground
2	ground	no connect	+5V	no connect	no connect	no connect	ground
3	ground	INTA*	INTB*	INTC*	+5V	INTD*	ground
4	ground	no connect	Healthy	VIO	no connect	no connect	ground
5	ground	no connect	no connect	RST*	ground	GNT*	ground
6	ground	REQ*	PCI_present1	+3.3V	CLK	AD31	ground
7	ground	AD30	AD29	AD28	ground	AD27	ground
8	ground	AD26	ground	VIO	AD25	AD24	ground
9	ground	C/BE3*	IDSEL2	AD23	ground	AD22	ground
10	ground	AD21	ground	+3.3V	AD20	AD19	ground

10004281-02 CC1000dm User’s Manual 4-5