MC9S12XS256J1CAAR datasheet, PDF

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MC9S12XS256J1CAAR: DescriptionHCS12 Microcontrollers; File Size3MB，738 Pages; ManufacturerFREESCALE (NXP)

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MC9S12XS256J1CAAR Overview

HCS12 Microcontrollers

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MC9S12XS256

Reference Manual

Covers MC9S12XS Family

MC9S12XS256

MC9S12XS128

MC9S12XS64

HCS12

Microcontrollers

MC9S12XS256RMV1

Rev. 1.10

05/2010

freescale.com

Chapter 1

Chapter 2

Chapter 3

Chapter 4

Chapter 5

Chapter 6

Chapter 7

Chapter 8

Chapter 9

Chapter 10

Chapter 11

Chapter 12

Chapter 13

Chapter 14

Chapter 15

Chapter 16

Chapter 17

Chapter 18

Chapter 19

Chapter 20

Appendix A

Appendix B

Appendix C

Appendix D

Appendix E

Appendix F

Device Overview S12XS Family . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19

Port Integration Module (S12XSPIMV1) . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Memory Mapping Control (S12XMMCV4) . . . . . . . . . . . . . . . . . . . . . . . .127

Interrupt (S12XINTV2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151

Background Debug Module (S12XBDMV2) . . . . . . . . . . . . . . . . . . . . . . .167

S12X Debug (S12XDBGV3) Module . . . . . . . . . . . . . . . . . . . . . . . . . . . . .193

Security (S12XS9SECV2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .229

S12XE Clocks and Reset Generator (S12XECRGV1) . . . . . . . . . . . . . . .235

Pierce Oscillator (S12XOSCLCPV2) . . . . . . . . . . . . . . . . . . . . . . . . . . . .265

Analog-to-Digital Converter (ADC12B16CV1) . . . . . . . . . . . . . . . . . . . . .269

Freescale’s Scalable Controller Area Network (S12MSCANV3) . . . . . .295

Periodic Interrupt Timer (S12PIT24B4CV1) . . . . . . . . . . . . . . . . . . . . . . .349

Pulse-Width Modulator (S12PWM8B8CV1) . . . . . . . . . . . . . . . . . . . . . . .365

Serial Communication Interface (S12SCIV5) . . . . . . . . . . . . . . . . . . . . . .397

Serial Peripheral Interface (S12SPIV5) . . . . . . . . . . . . . . . . . . . . . . . . . . .435

Timer Module (TIM16B8CV2). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .461

Voltage Regulator (S12VREGL3V3V1) . . . . . . . . . . . . . . . . . . . . . . . . . . .489

256 KByte Flash Module (S12XFTMR256K1V1). . . . . . . . . . . . . . . . . . . .507

128 KByte Flash Module (S12XFTMR128K1V1). . . . . . . . . . . . . . . . . . . .557

64 KByte Flash Module (S12XFTMR64K1V1). . . . . . . . . . . . . . . . . . . . . .607

Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .657

Package Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .698

PCB Layout Guidelines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .708

Derivative Differences . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .712

Detailed Register Address Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .713

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .735

S12XS Family Reference Manual, Rev. 1.10

Freescale Semiconductor

Chapter 1

Device Overview S12XS Family

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.1.1 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

1.1.2 Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23

1.1.3 Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

1.1.4 Device Memory Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

1.1.5 Address Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

1.1.6 Detailed Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

1.1.7 Part ID Assignments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

1.2 Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

1.2.1 Device Pinout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

1.2.2 Pin Assignment Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

1.2.3 Detailed Signal Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 41

1.2.4 Power Supply Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

1.3 System Clock Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

1.4 Modes of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

1.4.1 Chip Conﬁguration Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49

1.4.2 Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

1.4.3 Freeze Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.5 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.6 Resets and Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.6.1 Resets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.6.2 Vectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

1.6.3 Effects of Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

1.7 ATD0 Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1.7.1 External Trigger Input Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1.7.2 ATD0 Channel[17] Connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1.8 VREG Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1.8.1 Temperature Sensor Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

1.9 BDM Clock Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

1.10 Oscillator Conﬁguration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

1.1

Chapter 2

Port Integration Module (S12XSPIMV1)

2.1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

2.1.1 Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

2.1.2 Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

External Signal Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60

Memory Map and Register Deﬁnition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

S12XS Family Reference Manual, Rev. 1.10

Freescale Semiconductor

2.2

2.3

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