Information

Section number Title Page
29.4.6 Data transfer signals.....................................................................................................................................656
29.4.7 Signal transitions..........................................................................................................................................656
29.4.8 Data-byte alignment and physical connections............................................................................................656
29.4.9 Address/data bus multiplexing.....................................................................................................................657
29.4.10 Data transfer states.......................................................................................................................................658
29.4.11 FlexBus Timing Examples...........................................................................................................................659
29.4.12 Burst cycles..................................................................................................................................................678
29.4.13 Extended Transfer Start/Address Latch Enable...........................................................................................686
29.4.14 Bus errors.....................................................................................................................................................687
29.5 Initialization/Application Information..........................................................................................................................688
29.5.1 Initializing a chip-select...............................................................................................................................688
29.5.2 Reconfiguring a chip-select.........................................................................................................................688
Chapter 30
EzPort
30.1 Overview.......................................................................................................................................................................689
30.1.1 Introduction..................................................................................................................................................689
30.1.2 Features........................................................................................................................................................690
30.1.3 Modes of operation......................................................................................................................................690
30.2 External signal description............................................................................................................................................691
30.2.1 EzPort Clock (EZP_CK)..............................................................................................................................691
30.2.2 EzPort Chip Select (EZP_CS)......................................................................................................................691
30.2.3 EzPort Serial Data In (EZP_D)....................................................................................................................692
30.2.4 EzPort Serial Data Out (EZP_Q).................................................................................................................692
30.3 Command definition.....................................................................................................................................................692
30.3.1 Command descriptions.................................................................................................................................693
30.4 Flash memory map for EzPort access...........................................................................................................................699
K20 Sub-Family Reference Manual, Rev. 1.1, Dec 2012
24
Preliminary
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