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AS8530-ASOT 数据表(PDF) 23 Page - ams AG |
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AS8530-ASOT 数据表(HTML) 23 Page - ams AG |
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23 / 29 page ![]() www.austriamicrosystems.com/Lin_CompanionIC/AS8530 Revision 0.01 23 - 29 AS8530 Preliminary Data Sheet - A p p l i c a t i o n I n f o r m a t i o n Figure 16. Protocol for Serial Data Read with Length = 1 Figure 17. Protocol for Serial Data Read with Length = 4 8.7.1.4 Timing The following figures illustrate timing waveforms and parameters. Figure 18. Timing for Writing Figure 19. Timing for Reading EN TX 0 LEN1 LEN0 A4 A0 A1 A2 A3 D0 D1 D2 D3 D4 D5 D7 D6 Transfer edge Sampling edge Data D7 – D0 at address A4 ..A0 is read here LEN1 = 0 LEN0 = 0 Command & Address Phase Data Phase Length of Transaction = 1 Transfer edge Sampling edge EN TX 1 LE N1 LE N0 A 4 A 0 A 1 A 2 A 3 D 0 D 1 D 2 D 3 D 4 D 5 D 7 D 6 D 0 D 1 D 2 D 3 D 4 D 5 D 6 D 0 D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 7 D 1 D 2 D 3 D 4 D 5 D 6 D 7 D 0 Data D7-D0 at Address A4-A0 is read here Data D7-D0 at Address A4-A0 +1 is read here Data D7-D0 at Address A4-A0 +2 is read here Data D7-D0 at Address A4-A0 +3 is read here Data D7-D0 at Address A4-A0 +4 is read here 10 Command & Address Phase Data1 Phase Data2 Phase Data3 Phase Data4 Phase LEN1 = 1 LEN0 = 0 Length = 4 TX EN TENSCLK_L TENSCLK_H TDI_HD TDI_SU DATAI DATAI TX EN TENSCLK_L TENSCLK_H TDI_HD TDI_SU DATAI DATAO DATAO TD0_D TDI_HZ TD0_D |
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