Motorola MVME2600 manual VMEbus Connector P1, Row Z Row a Row B Row C Row D

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Connector Pin Assignments

VMEbus Connector P1

Two 160-pin connectors (P1 and P2) supply the interface between the base board and the VMEbus. P1 provides power and VME signals for 24-bit addressing and 16-bit data. Its pin assignments are set by the VMEbus specification. They are listed in the following table.

Table 4-9. VMEbus Connector P1

	Row Z	Row A	Row B	Row C	Row D
1	Not Used	VD0	VBBSY∗	VD8	Not Used	1
2	GND	VD1	VBCLR∗	VD9	GND	2
3	Not Used	VD2	VACFAIL∗	VD10	Not Used	3
4	GND	VD3	VBGIN0∗	VD11	Not Used	4
5	Not Used	VD4	VBGOUT0∗	VD12	Not Used	5
6	GND	VD5	VBGIN1∗	VD13	Not Used	6
7	Not Used	VD6	VBGOUT1∗	VD14	Not Used	7
8	GND	VD7	VBGIN2∗	VD15	Not Used	8
9	Not Used	GND	VBGOUT2∗	GND	VMEGAP∗	9
10	GND	VSYSCLK	VBGIN3∗	VSYSFAIL∗	VMEGA0∗	10
11	Not Used	GND	VBGOUT3∗	VBERR∗	VMEGA1∗	11
12	GND	VDS1∗	VBR0∗	VSYSRESET∗	Not Used	12
13	Not Used	VDS0∗	VBR1∗	VLWORD	VMEGA2∗	13
14	GND	VWRITE∗	VBR2∗	VAM5	Not Used	14
15	Not Used	GND	VBR3∗	VA23	VMEGA3∗	15
16	GND	VDTACK∗	VAM0	VA22	Not Used	16
17	Not Used	GND	VAM1	VA21	VMEGA4∗	17
18	GND	VAS∗	VAM2	VA20	Not Used	18
19	Not Used	GND	VAM3	VA19	Not Used	19
20	GND	VIACK∗	GND	VA18	Not Used	20
21	Not Used	VIACKIN∗	VSERCLK	VA17	Not Used	21
22	GND	VIACKOUT∗	VSERDAT	VA16	Not Used	22
23	Not Used	VAM4	GND	VA15	Not Used	23
24	GND	VA7	VIRQ7∗	VA14	Not Used	24

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