mc9s12xs128 Freescale Semiconductor, Inc, mc9s12xs128 Datasheet - Page 6
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mc9s12xs128
Manufacturer Part Number
mc9s12xs128
Description
Hcs12 Microcontrollers 16-bit Automotive Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC9S12XS128.pdf
(738 pages)
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2.3.1 Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
2.3.2 Register Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
2.3.3 Port A Data Register (PORTA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
2.3.4 Port B Data Register (PORTB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75
2.3.5 Port A Data Direction Register (DDRA) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
2.3.6 Port B Data Direction Register (DDRB) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
2.3.7 PIM Reserved Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
2.3.8 Port E Data Register (PORTE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77
2.3.9 Port E Data Direction Register (DDRE) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
2.3.10 Ports ABEK, BKGD pin Pull-up Control Register (PUCR) . . . . . . . . . . . . . . . . . . . . . . 79
2.3.11 Ports ABEK Reduced Drive Register (RDRIV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
2.3.12 ECLK Control Register (ECLKCTL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81
2.3.13 PIM Reserved Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82
2.3.14 IRQ Control Register (IRQCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
2.3.15 PIM Reserved Register PIMTEST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
2.3.16 Port K Data Register (PORTK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
2.3.17 Port K Data Direction Register (DDRK) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
2.3.18 Port T Data Register (PTT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
2.3.19 Port T Input Register (PTIT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
2.3.20 Port T Data Direction Register (DDRT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
2.3.21 Port T Reduced Drive Register (RDRT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
2.3.22 Port T Pull Device Enable Register (PERT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
2.3.23 Port T Polarity Select Register (PPST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88
2.3.24 PIM Reserved Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
2.3.25 Port T Routing Register (PTTRR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
2.3.26 Port S Data Register (PTS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91
2.3.27 Port S Input Register (PTIS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
2.3.28 Port S Data Direction Register (DDRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
2.3.29 Port S Reduced Drive Register (RDRS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
2.3.30 Port S Pull Device Enable Register (PERS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
2.3.31 Port S Polarity Select Register (PPSS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
2.3.32 Port S Wired-Or Mode Register (WOMS) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
2.3.33 PIM Reserved Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
2.3.34 Port M Data Register (PTM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
2.3.35 Port M Input Register (PTIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
2.3.36 Port M Data Direction Register (DDRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98
2.3.37 Port M Reduced Drive Register (RDRM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99
2.3.38 Port M Pull Device Enable Register (PERM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
2.3.39 Port M Polarity Select Register (PPSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100
2.3.40 Port M Wired-Or Mode Register (WOMM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
2.3.41 Module Routing Register (MODRR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101
2.3.42 Port P Data Register (PTP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 102
2.3.43 Port P Input Register (PTIP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 104
2.3.44 Port P Data Direction Register (DDRP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 105
2.3.45 Port P Reduced Drive Register (RDRP) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
S12XS Family Reference Manual, Rev. 1.10
6
Freescale Semiconductor
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