Vme Controller Asic - HP 743 Service Handbook

Functional Description
Built-in Interfaces

VME Controller ASIC

A VME controller ASIC manages the board computer's interface with the VMEbus back-
plane it plugs into. In addition, the RS-232 interfaces are also controlled by the VME con-
troller ASIC.
Table 2-15 and Table 2-16 list the VMEbus connector pinout information.
Table 2-15
Pin Number
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
2-20
VME P1/J1 Pin Assignments and Signal Mnemonics
Row A
D00
D01
D02
D03
D04
D05
D06
D07
GROUND
SYSCLOCK
GND
DS1
DS0
WRITE
GND
DTACK
GND
AS
GROUND
Row B
BBSY
BCLR
ACFAIL
BG0IN
BG0OUT
BG1IN
BG1OUT
BG2IN
BG2OUT
BG3IN
BG3OUT
BR0
BR1
BR2
BR3
AM0
AM1
AM2
AM3
Row C
D08
D09
D10
D11
D12
D13
D14
D15
GROUND
SYSFAIL
BERR
SYSRESET
LWORD
AM5
A23
A22
A21
A20
A19