ABB 3BHB003154R0101 GVC707AE01 thyristor module

ABB 3BHB003154R0101 GVC707AE01 thyristor module

Technical data of product parameters

 The SIGLP control signal allows other VMEbus masters to 3BHB003154R0101 GVC707AE01
interrupt the MC68030. SIGLP can only be set from the
VMEbus. It can only be cleared by the MC68030. When a
VMEbus master sets SIGLP to a 1, the VMEchip requests a level
1 interrupt to the MC68030 (if such interrupts are enabled). The
interrupt request remains until the MC68030 writes a 1 to it. 3BHB003154R0101 GVC707AE01
This bit is cleared by SYSRESET. See Note 1 below.
Bit 1 The SIGHP control signal allows other VMEbus masters to
interrupt the MC68030. SIGHP can only be set from the
VMEbus. It can only be cleared by the MC68030. When a
VMEbus master sets SIGHP to a 1, the VMEchip requests a level
5 interrupt to the MC68030 (if such interrupts are enabled). The
interrupt request remains until the MC68030 writes a 1 to it.
This bit is cleared by SYSRESET. See Note 1 below.
Bit 4 BRDFAIL is a reflection of the BRDFAIL* input/output signal
line. The status bit is set to 1 whenever the signal line is
activated by either the VMEchip, or by a watchdog time-out
from the PCC. The bit is cleared when the BRDFAIL* signal is
deactivated. 3BHB003154R0101 GVC707AE01
Bit 5 The ISF control bit allows other VMEbus masters to cause the
VMEchip to release its contribution to the VMEbus SYSFAIL*
line. This is provided so that software can determine how many
boards have failed. It should be noted that the ISF bit has no
effect on the BRDFAIL status bit. Setting the bit to 1 inhibits the
VMEchip from activating the VMEbus SYSFAIL* line. This bit is
cleared by SYSRESET. The VMEchip incorporates a flexible, multilevel bus interrupter 3BHB003154R0101 GVC707AE01
module. This module can activate an interrupt on the VMEbus at
any of the seven interrupt levels.
The VMEchip interrupter also monitors the VMEbus to determine
when an interrupt acknowledge cycle is in process. When the
VMEchip receives an interrupt-acknowledge-in signal from the
VMEbus and it is currently interrupting at the acknowledge level,
it responds with a status/ID vector. Otherwise, it generates an
interrupt-acknowledge-out signal to the VMEbus. The VMEchip is
a 8-bit interrupter and consequently responds to all sizes of
interrupt acknowledge cycles.

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