
Section number Title Page
11.5 Memory map and register definition.............................................................................................................................155
11.5.1 Pin Control Register n (PORTx_PCRn).......................................................................................................158
11.5.2 Global Pin Control Low Register (PORTx_GPCLR)..................................................................................160
11.5.3 Global Pin Control High Register (PORTx_GPCHR).................................................................................161
11.5.4 Interrupt Status Flag Register (PORTx_ISFR)............................................................................................161
11.6 Functional description...................................................................................................................................................162
11.6.1 Pin control....................................................................................................................................................162
11.6.2 Global pin control........................................................................................................................................163
11.6.3 External interrupts........................................................................................................................................163
Chapter 12
System integration module (SIM)
12.1 Introduction...................................................................................................................................................................165
12.1.1 Features........................................................................................................................................................165
12.2 Memory map and register definition.............................................................................................................................165
12.2.1 System Options Register 1 (SIM_SOPT1)..................................................................................................167
12.2.2 SOPT1 Configuration Register (SIM_SOPT1CFG)....................................................................................167
12.2.3 System Options Register 2 (SIM_SOPT2)..................................................................................................168
12.2.4 System Options Register 4 (SIM_SOPT4)..................................................................................................170
12.2.5 System Options Register 5 (SIM_SOPT5)..................................................................................................171
12.2.6 System Options Register 7 (SIM_SOPT7)..................................................................................................172
12.2.7 System Device Identification Register (SIM_SDID)...................................................................................174
12.2.8 System Clock Gating Control Register 4 (SIM_SCGC4)............................................................................176
12.2.9 System Clock Gating Control Register 5 (SIM_SCGC5)............................................................................177
12.2.10 System Clock Gating Control Register 6 (SIM_SCGC6)............................................................................179
12.2.11 System Clock Gating Control Register 7 (SIM_SCGC7)............................................................................180
12.2.12 System Clock Divider Register 1 (SIM_CLKDIV1)...................................................................................181
12.2.13 Flash Configuration Register 1 (SIM_FCFG1)...........................................................................................183
12.2.14 Flash Configuration Register 2 (SIM_FCFG2)...........................................................................................184
12.2.15 Unique Identification Register Mid-High (SIM_UIDMH)..........................................................................185
KL04 Sub-Family Reference Manual, Rev. 3.1, November 2012
Freescale Semiconductor, Inc. 9