10
ULB Signals (JP505, JP506)
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BUS_D31-0 - ULB interface data bus
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BUS_A20-0 - ULB interface address bus
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ULB_INTRQ - ULB interrupt request
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ULB_ RDY - Ready signal for bus transfer
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ULB_RDX - Read enable for ULB data bus
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ULB_WRX3-0 - Write enable for ULB data bus
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ULB_CLK - ULB interface clock
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ULB_CS - Chip select
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ULB_DREQ - DMA request signal
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ULB_DACK - DMA acknowledge signal
For more information please look at the Hardware Manual of the Jasmine graphic controller and the Data
Sheet of the Video Input Processor SAA7111A.
