Datasheet
Table Of Contents
- List of Sections
- Table of Contents
- General Description
- Central Processing Unit (CPU)
- Pinout and Signal Description
- System Configuration
- Registers
- Operating Modes
- Resource Mapping
- Bus Control and Input/Output
- Resets and Interrupts
- Voltage Regulator (VREG)
- Flash EEPROM 256K
- EEPROM 4K
- Port Integration Module
- Clocks and Reset Generator (CRG)
- Pulse Width Modulator (PWM)
- Enhanced Capture Timer (ECT)
- Serial Communications Interface (SCI)
- Serial Peripheral Interface (SPI)
- Inter-IC Bus (IIC)
- MSCAN
- Analog to Digital Converter
- 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)
- Breakpoint (BKP) Module
- Revision History
- Glossary
- Literature Updates

Pinout and Signal Description
MC9S12DP256 — Revision 1.1
Pinout and Signal Description
AN05 PAD05 VDDA 77 A/D Converter 0 channel 5
AN13 PAD13 VDDA 78 A/D Converter 1 channel 5
AN06 PAD06 VDDA 79 A/D Converter 0 channel 6
AN14 PAD14 VDDA 80 A/D Converter 1 channel 6
AN07 PAD07 VDDA 81 A/D Converter 0 channel 7
AN15 PAD15 VDDA 82 A/D Converter 1 channel 7
VDDA – 83 5.0V supply analog to digital converter
VRH VDDA 84 analog to digital converter reference high
VRL VDDA 85 analog to digital converter reference low
VSSA – 86 ground analog to digital converter
TxCAN3 PM7 VDDX 87 MSCAN3 transmit pin
RxCAN3 PM6 VDDX 88 MSCAN3 receive pin
RxD0 PS0 VDDX 89 SCI0 receive pin
TxD0 PS1 VDDX 90 SCI0 transmit pin
RxD1 PS2 VDDX 91 SCI1 receive pin
TxD1 PS3 VDDX 92 SCI1 transmit pin
MISO0 PS4 VDDX 93
Master in/slave out pin for serial peripheral
interface 0
MOSI1 PS5 VDDX 94
Master out/slave in pin for serial peripheral
interface 0
SCK0 PS6 VDDX 95 Serial clock for serial peripheral system 0
SS0 PS7 VDDX 96
Slave select output for SPI0 master mode, input for
slave mode or master mode.
VREGEN VREGEN VDDX 97 Internal Voltage Regulator Enable
TxCAN4_SCL_KWJ7 PJ7 VDDX 98 MSCAN4 transmit pin shared with IIC serial clock line
RxCAN4_SDA_KWJ6 PJ6 VDDX 99 MSCAN4 receive pin shared with IIC serial data line
TxCAN2 PM5 VDDX 100 MSCAN2 transmit pin
RxCAN2 PM4 VDDX 101 MSCAN2 receive pin
TxCAN1 PM3 VDDX 102 MSCAN1 transmit pin
RxCAN1 PM2 VDDX 103 MSCAN1 receive pin
TxCAN0_TxB PM1 VDDX 104 MSCAN1 transmit pin, shared with BDLC transmit pin
RxCAN0_RxB PM0 VDDX 105 MSCAN1 receive pin, shared with BDLC receive pin
VSSX VSSX – 106
5V I/O supply and Ground
VDDX VDDX – 107
ECS/ROMONE PK7 VDDX 108 Emulation Chip select/ROMONE function
Table 7 MC9S12DP256 Signal Description Summary
Pin Function Pin Name
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Number
Description
112-pin
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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