mc68hc908bd48 Freescale Semiconductor, Inc, mc68hc908bd48 Datasheet - Page 209
mc68hc908bd48
Manufacturer Part Number
mc68hc908bd48
Description
M68hc08 Microcontrollers Microcontroller
Manufacturer
Freescale Semiconductor, Inc
Datasheet
1.MC68HC908BD48.pdf
(288 pages)
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16.1 Contents
16.2 Introduction
MC68HC908BD48
Freescale Semiconductor
Data Sheet — MC68HC908BD48
—
Rev. 2.1
16.2
16.3
16.4
16.5
16.5.1
16.5.1.1
16.5.1.2
16.5.1.3
16.5.2
16.5.3
16.5.4
16.5.5
16.6
16.6.1
16.6.2
16.6.3
16.6.4
16.6.5
16.6.6
16.7
The Sync Processor is designed to detect and process sync signals
inside a digital monitor system — from separated Hsync and Vsync
inputs, or from composite sync inputs such as Sync-On-Green (SOG).
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Functional Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
System Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .227
I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211
Polarity Detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Sync Signal Counters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215
Polarity Controlled HSYNCO and VSYNCO Outputs. . . . . 215
Clamp Pulse Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Low Vertical Frequency Detect . . . . . . . . . . . . . . . . . . . . . 217
Sync Processor Control & Status Register (SPCSR). . . . . 217
Sync Processor Input/Output Control Register (SPIOCR) . 219
Vertical Frequency Registers (VFRs). . . . . . . . . . . . . . . . . 221
Hsync Frequency Registers (HFRs). . . . . . . . . . . . . . . . . . 223
Sync Processor Control Register 1 (SPCR1). . . . . . . . . . . 225
H&V Sync Output Control Register (HVOCR) . . . . . . . . . . 226
Hsync Polarity Detection . . . . . . . . . . . . . . . . . . . . . . . . 214
Vsync Polarity Detection . . . . . . . . . . . . . . . . . . . . . . . . 214
Composite Sync Polarity Detection . . . . . . . . . . . . . . . . 214
Sync Processor
Section 16. Sync Processor
Data Sheet
209
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