
MC9S08GB/GT Data Sheet, Rev. 2.3
9
Section Number
Title
Page
5.8
Reset, Interrupt, and System Control Registers and Control Bits ...................................................68
5.8.1
Interrupt Pin Request Status and Control Register (IRQSC) ...........................................68
5.8.2
System Reset Status Register (SRS) ................................................................................69
5.8.3
System Background Debug Force Reset Register (SBDFR) ...........................................71
5.8.4
System Options Register (SOPT) ....................................................................................71
5.8.5
System Device Identification Register (SDIDH, SDIDL) ...............................................72
5.8.6
System Real-Time Interrupt Status and Control Register (SRTISC) ...............................73
5.8.7
System Power Management Status and Control 1 Register (SPMSC1) ..........................74
5.8.8
System Power Management Status and Control 2 Register (SPMSC2) ..........................75
Chapter 6
Parallel Input/Output
6.1
6.2
6.3
Introduction .....................................................................................................................................77
Features ...........................................................................................................................................79
Pin Descriptions ..............................................................................................................................79
6.3.1
Port A and Keyboard Interrupts .......................................................................................79
6.3.2
Port B and Analog to Digital Converter Inputs ...............................................................80
6.3.3
Port C and SCI2, IIC, and High-Current Drivers ............................................................80
6.3.4
Port D, TPM1 and TPM2 .................................................................................................81
6.3.5
Port E, SCI1, and SPI ......................................................................................................81
6.3.6
Port F and High-Current Drivers .....................................................................................82
6.3.7
Port G, BKGD/MS, and Oscillator ..................................................................................82
Parallel I/O Controls ........................................................................................................................82
6.4.1
Data Direction Control ....................................................................................................83
6.4.2
Internal Pullup Control ....................................................................................................83
6.4.3
Slew Rate Control ............................................................................................................83
Stop Modes ......................................................................................................................................84
Parallel I/O Registers and Control Bits ...........................................................................................84
6.6.1
Port A Registers (PTAD, PTAPE, PTASE, and PTADD) ................................................84
6.6.2
Port B Registers (PTBD, PTBPE, PTBSE, and PTBDD) ...............................................86
6.6.3
Port C Registers (PTCD, PTCPE, PTCSE, and PTCDD) ...............................................87
6.6.4
Port D Registers (PTDD, PTDPE, PTDSE, and PTDDD) ..............................................89
6.6.5
Port E Registers (PTED, PTEPE, PTESE, and PTEDD) ................................................90
6.6.6
Port F Registers (PTFD, PTFPE, PTFSE, and PTFDD) ..................................................92
6.6.7
Port G Registers (PTGD, PTGPE, PTGSE, and PTGDD) ..............................................93
6.4
6.5
6.6