Information

Section Number Title Page
Chapter 26
RTC Oscillator
26.1 Introduction...................................................................................................................................................................571
26.1.1 Features and Modes.....................................................................................................................................571
26.1.2 Block Diagram.............................................................................................................................................571
26.2 RTC Signal Descriptions..............................................................................................................................................572
26.2.1 EXTAL32 — Oscillator Input.....................................................................................................................572
26.2.2 XTAL32 — Oscillator Output.....................................................................................................................572
26.3 External Crystal Connections.......................................................................................................................................573
26.4 Memory Map/Register Descriptions.............................................................................................................................573
26.5 Functional Description..................................................................................................................................................573
26.6 Reset Overview.............................................................................................................................................................574
26.7 Interrupts.......................................................................................................................................................................574
Chapter 27
Flash Memory Controller (FMC)
27.1 Introduction...................................................................................................................................................................575
27.1.1 Overview......................................................................................................................................................575
27.1.2 Features........................................................................................................................................................575
27.2 Modes of operation.......................................................................................................................................................576
27.3 External signal description............................................................................................................................................576
27.4 Memory map and register descriptions.........................................................................................................................576
27.4.1 Flash Access Protection Register (FMC_PFAPR).......................................................................................583
27.4.2 Flash Bank 0 Control Register (FMC_PFB0CR)........................................................................................586
27.4.3 Flash Bank 1 Control Register (FMC_PFB1CR)........................................................................................588
27.4.4 Cache Tag Storage (FMC_TAGVDW0Sn).................................................................................................590
27.4.5 Cache Tag Storage (FMC_TAGVDW1Sn).................................................................................................591
27.4.6 Cache Tag Storage (FMC_TAGVDW2Sn).................................................................................................592
27.4.7 Cache Tag Storage (FMC_TAGVDW3Sn).................................................................................................593
27.4.8 Cache Data Storage (upper word) (FMC_DATAW0SnU)..........................................................................594
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
22 Freescale Semiconductor, Inc.