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STLC1510 датащи(PDF) 31 Page - STMicroelectronics |
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STLC1510 датащи(HTML) 31 Page - STMicroelectronics |
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31 / 40 page ![]() 31/40 STLC1510 Host Processor Interface Timing 7.2.2 GPIO Interface Timing The GPIO[7:0] pins are memory mapped program- mable pins. These pins can be programmed as input or output providing visibility to internal chip access points, as well as an ability to latch external control signals. A special mode can be configured where the LAMBA Bus Clock is made available on a configured output pin GPIO[0]. For timing characterization, this mode should be used to exercise the GPIO[7:1] pins as both inputs and outputs. The diagram below refers to this special mode. Figure 17. Host Processor Interface Timing (TTL) Table 17. Host Processor Interface Timing Pin Name Parameter Min. Max. Reference Pin HPI_Addr[2:0] tse 2.45ns w.r.t. rising HPI_BS HPI_Addr[2:0] tho 0.01ns w.r.t. rising HPI_BS HPI_CSN tse 3.1ns w.r.t. rising HPI_BS HPI_CSN tho 0.01ns w.r.t. rising HPI_BS HPI_RWN tse 0.84ns w.r.t. rising HPI_BS HPI_RWN tho 0.01ns w.r.t. rising HPI_BS HPI_Data[7:0] tse 2.15ns w.r.t. rising HPI_BS HPI_Data[7:0] tho 0.01ns w.r.t. falling HPI_CSN HPI_Data[7:0] tacc 10ns w.r.t. falling HPI_CSN HP I _ B S ts e th o HP I_ A d d r [ 2 :0 ] H P I_ D a ta [7 :0 ] ta cc HP I _ R W N , H P I_ C S N H P I _ D a ta [ 7 :0 ] |
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