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SLG46400 Datasheet(PDF) 69 Page - Dialog Semiconductor |
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SLG46400 Datasheet(HTML) 69 Page - Dialog Semiconductor |
69 / 95 page 000-0046400-109 Page 63 of 89 SLG46400 19.0 Digital Storage Elements (DFFs/LATCHes) There are four DFF/LATCHes logic cells within the SLG46400 available for design. The source and destination of the inputs and outputs for the three DFF/LATCHes are configured from the connection matrix. The operation of the D Flip-Flop and Latch will following the functional descriptions below: DFF: CK is rising edge triggered, then Q = D; otherwise Q will not change LATCH: if CK = 0, then Q = D if CK = 1, then Q will not change For DFF/LATCH 0, matrix out1 will control the Reset and Set functions (Active Low) that are controlled from reg<531>. For DFF/LATCH 1, matrix out18 will control the Reset and Set functions (Active Low) that are controlled from reg<533>. 19.1 DFF/LATCH Functional Diagram Figure 37. DFF/LATCH Functional Diagram DFF/ LATCH0 CK D To Connection Matrix input <12> Q reg <530> From Connection Matrix output <37> From Connection Matrix output <38> DFF/ LATCH2 CK D reg <534> From Connection Matrix output <41> From Connection Matrix output <42> DFF/ LATCH1 CK D reg <532> From Connection Matrix output <39> From Connection Matrix output <40> DFF/ LATCH3 CK D reg <535> From Connection Matrix output <43> From Connection Matrix output <54> 1 0 From Connection Matrx Output <1> 1 0 reg <531> nRESET nSET 1 0 From Connection Matrx Output <18> 1 0 reg <533> nRESET nSET To Connection Matrix input <52> nQ To Connection Matrix input <13> Q To Connection Matrix input <53> nQ To Connection Matrix input <14> Q To Connection Matrix input <52> nQ To Connection Matrix input <15> Q To Connection Matrix input <55> nQ |
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