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

Enhanced Capture Timer (ECT)
MC9S12DP256 — Revision 1.1
Enhanced Capture Timer (ECT)
Register Descriptions
This section consists of register descriptions in address order. Each
description includes a standard register diagram with an associated
figure number. Details of register bit and field function follow the register
diagrams, in bit order.
Timer Input
Capture/Output
Compare Select
(TIOS)
Read or write anytime.
IOS[7:0] — Input Capture or Output Compare Channel Configuration
1 = The corresponding channel acts as an output compare.
0 = The corresponding channel acts as an input capture
Timer Compare
Force Register
(CFORC)
Read anytime but will always return $00 (1 state is transient). Write
anytime.
FOC[7:0] — Force Output Compare Action for Channel 7–0
A write to this register with the corresponding data bit(s) set causes
the action which is programmed for output compare ‘n’ to occur
Register offset: $0000
Bit 7 6 5 4 3 2 1 Bit 0
IOS7 IOS6 IOS5 IOS4 IOS3 IOS2 IOS1 IOS0
RESET: 0 0 0 0 0 0 0 0
Register offset: $0001
Bit 7 6 5 4 3 2 1 Bit 0
FOC7 FOC6 FOC5 FOC4 FOC3 FOC2 FOC1 FOC0
RESET: 0 0 0 0 0 0 0 0
Freescale Semiconductor, I
Freescale Semiconductor, Inc.
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