Datasheet

ManualsBrandsNXP SEMICONDUCTORS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller QFP 80 (14x14) 16-Bit 25 MHz I/O number 59

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Table Of Contents

List of Sections
Table of Contents
General Description
- Contents
- Introduction
- Features
- MC9S12DP256 112-Pin Block Diagram
- Ordering Information
Central Processing Unit (CPU)
- Contents
- Introduction
- Programming Model
- Data Types
- Addressing Modes
- Indexed Addressing Modes
- Opcodes and Operands
- Instruction Set Summary
Pinout and Signal Description
- Contents
- MC9S12DP256 Pin Assignments in 112-pin QFP
- Power Supply Pins
- Signal Descriptions
- Port Signals
System Configuration
- Contents
- Introduction
- Modules Variabilities
- MCU Variabilities
Registers
- Contents
- Register Block
Operating Modes
- Contents
- Introduction
- Operating Modes
- Background Debug Mode
- Security
Resource Mapping
- Contents
- Introduction
- Internal Resource Mapping
- Flash EEPROM mapping through internal Memory Expansion
- Miscellaneous System Control Register
- Memory Maps
Bus Control and Input/Output
- Contents
- Introduction
- Detecting Access Type from External Signals
- Stretched Bus Cycles
- PIPE Status Signals
- Registers
Resets and Interrupts
- Contents
- Introduction
- Register Map
- Exception Priority
- Maskable interrupts
- Latching of Interrupts
- Register Descriptions
- Resets
- Effects of Reset
- Register Stacking
Voltage Regulator (VREG)
- Contents
- Overview
- Features
- Block Diagram
- Functional Description
- External Pin Connection
- Reset Initialization
- Modes of Operation
Flash EEPROM 256K
- Contents
- Glossary
- Overview
- Features
- Block Diagram
- Module Memory Map
- Functional Description
- Register Descriptions
- External Pin Descriptions
- Reset Initialization
- Modes of Operation
- Low Power Options
- Interrupt Operation
EEPROM 4K
- Contents
- Glossary
- Overview
- Features
- Block Diagram
- Module Memory Map
- Functional Description
- Register Descriptions
- External Pin Descriptions
- Reset Initialization
- Modes of Operation
- Interrupt Operation
Port Integration Module
- Contents
- Overview
- Block Diagram
- External Pin Descriptions
- 80 Pin QFP bond-out version
- Register Map
- Register Descriptions
- Reset Initialization
- Functional Description
- Low Power Options
- Interrupt Operation
Clocks and Reset Generator (CRG)
- Contents
- Overview
- Features
- Block Diagram
- Register Map
- Functional Description
- Register Descriptions
- External Pin Descriptions
- Reset Initialization
- Interrupt Operation
- Low Power Options
Pulse Width Modulator (PWM)
- Contents
- Overview
- Features
- Block Diagram
- External Pin Descriptions
- Register Map
- Register Descriptions
- Functional Description
- Reset Initialization
- Modes of Operation
- Low Power Options
- Interrupt Operation
Enhanced Capture Timer (ECT)
- Contents
- Overview
- Features
- Modes of Operation
- Abbreviations
- Block Diagram
- Signal Descriptions
- Module Memory Map
- Register Quick Reference
- Register Descriptions
- Modes of Operation
- Interrupts
- Description of Interrupt Operation
Serial Communications Interface (SCI)
- Contents
- Overview
- Features
- Modes of Operation
- SCI Interface Diagram
- Block Diagram
- Signal Descriptions
- Module Memory Map
- Register Quick Reference
- Register Descriptions
- Functional Description
- Modes of Operation
- Interrupt Operation
Serial Peripheral Interface (SPI)
- Contents
- Overview
- Features
- Modes of Operation
- Block Diagram
- Signal Descriptions
- Module Memory Map
- Register Quick Reference
- Register Descriptions
- Functional Description
- Low Power Mode Options
- Errata
- Reset
- Interrupts
Inter-IC Bus (IIC)
- Contents
- Overview
- Features
- Modes of Operation
- Block Diagram
- Signal Descriptions
- Module Memory Map
- Register Quick Reference
- Register Descriptions
- I-Bus Protocol
- Interrupt Operation
- Modes of Operation
- Programming
MSCAN
- Contents
- Overview
- Features
- Block Diagram
- External Pin Descriptions
- Register Map
- Functional Description
- Register Descriptions
- Modes of Operation
- Low Power Options
- Interrupt Operation
Analog to Digital Converter
- Contents
- Overview
- Features
- Block Diagram
- Register Map
- Functional Description
- Register Descriptions
- External Pin Descriptions
- Reset Initialization
- Modes of Operation
- Sample Conversion
- General Purpose Input Ports
Byte Data Link Controller Module
- Contents
- Overview
- Features
- Block Diagram
- Register Map
- Functional Description
- Register Descriptions
- External Pin Descriptions
- Reset Initialization/Basic Operation
- Transmitting A Message
- Receiving A Message
- Transmitting An In-Frame Response (IFR)
- Receiving An In-Frame Response (IFR)
- Special BDLC Operations
- Modes of Operation
- Interrupt Operation
- Low Power Options
Background Debug Module (BDM)
- Contents
- Overview
- Interface Signals
- Registers
- Operation
- Modes of Operation
- Low-Power Options
- Interrupt Operation
Breakpoint (BKP) Module
- Contents
- Overview
- Features
- Block Diagram
- External Pin Descriptions
- Register Descriptions
- Functional Description
- Breakpoint Operating Modes
- Breakpoint Types
- Modes of Operation
- Low Power Options
- Reset Initialization
- Interrupt Operation
- General Purpose I/O Ports
Revision History
- Changes from Rev 1.0 to Rev 1.1
Glossary
Literature Updates
- Literature Distribution Centers
- Customer Focus Center
- Microcontroller Division’s Web Site

Breakpoint (BKP) Module

Block Diagram

MC9S12DP256 — Revision 1.1

Breakpoint (BKP) Module

Block Diagram

Figure 142 Breakpoint Module Block Diagram

Breakpoint Modes

& Generation

of swi, fbdm & tags

Comparator

bdm_active_early_t4

ebi_taglo_t24

ebi_taghi_t24

BKP0H

BKP0L

BKP0X

BKPCT0

BKP1X

COMPARE BLOCK

CONTROL BLOCK

mmc_rw_t2

bkp_fbdm_t2

phi34

bdm_trace_t4

BKPCT1

BKP1L

BKP1H

Comparator

Data/Address

High Mux

Data/Address

Low Mux

expansion addresses

address high

address low

data high

data low

address high

address low

control sigs

results sigs

control bits

read/write ctl

ADDRESS

EXPANSION

mmc_xab_t2[19:14]

ADDRESS

mmc_ab_t2[15:0]

WRITE DATA

mmc_wdb_t4[15:0]

bkp_rdb_t4[15:0]

clk23

bkp_fswi_t2

bkp_taghi_t24

bkp_seltaghi_t2

bkp_taglo_t24

bkp_seltaglo_t2

Comparator

read data high

read data low

READ DATA

mmc_altrdb_t2[15:0]

reset_ta1

Freescale Semiconductor, I

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

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