Information

Section Number Title Page
14.4.2 Low Voltage Detect Status and Control 2 Register (PMC_LVDSC2)........................................................318
14.4.3 Regulator Status and Control Register (PMC_REGSC)..............................................................................320
Chapter 15
Low-leakage wake-up unit (LLWU)
15.1 Introduction...................................................................................................................................................................321
15.1.1 Features........................................................................................................................................................322
15.1.2 Modes of operation......................................................................................................................................322
15.1.3 Block diagram..............................................................................................................................................323
15.2 LLWU Signal Descriptions...........................................................................................................................................324
15.3 Memory map/register definition...................................................................................................................................325
15.3.1 LLWU Pin Enable 1 Register (LLWU_PE1)..............................................................................................325
15.3.2 LLWU Pin Enable 2 Register (LLWU_PE2)..............................................................................................326
15.3.3 LLWU Pin Enable 3 Register (LLWU_PE3)..............................................................................................328
15.3.4 LLWU Pin Enable 4 Register (LLWU_PE4)..............................................................................................329
15.3.5 LLWU Module Enable Register (LLWU_ME)...........................................................................................330
15.3.6 LLWU Flag 1 Register (LLWU_F1)...........................................................................................................331
15.3.7 LLWU Flag 2 Register (LLWU_F2)...........................................................................................................333
15.3.8 LLWU Flag 3 Register (LLWU_F3)...........................................................................................................335
15.3.9 LLWU Control and Status Register (LLWU_CS).......................................................................................336
15.4 Functional description...................................................................................................................................................337
15.4.1 LLS mode.....................................................................................................................................................338
15.4.2 VLLS modes................................................................................................................................................338
15.4.3 Initialization.................................................................................................................................................339
15.4.4 Low power mode recovery..........................................................................................................................339
Chapter 16
Miscellaneous Control Module (MCM)
16.1 Introduction...................................................................................................................................................................341
16.1.1 Features........................................................................................................................................................341
K20 Sub-Family Reference Manual, Rev. 6, Nov 2011
Freescale Semiconductor, Inc. 13