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Details, datasheet, quote on part number:Z90251
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| Part: | Z90251 |
| Category: | Multimedia => Video => TV Applications => Controllers |
| Description: | Program Memory = OTP ;; RAM = 300 ;; Speed = 6 ;; I/O = 27 ;; Timers = 2 ;; PWM = 11 ;; 4-bit A/D = 4 ;; |
| Company: | Zilog, Inc. |
| Datasheet: | Download Z90251 datasheet File size : 647 kB |
| Request For quote: | Find where to buy Z90251
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Datasheet text preview:
Z90255 ROM and Z90251 OTP
32 KB Television Controller with OSD
Product Specification PS001301-0800
ZiLOG WORLDWIDE HEADQUARTERS ¥ 910 E. HAmilton Avenue ¥ Campbell, CA 95008 Telephone: 408.558.8500 ¥ Fax: 408.558.8300 ¥ www.ZiLOG.com
This publication is subject to replacement by a later edition. To determine whether a later edition exists, or to request copies of publications, contact
ZiLOG Worldwide Headquarters 910 E. Hamilton Avenue Campbell, CA 95008 Telephone: 408.558.8500 Fax: 408.558.8300 www.ZiLOG.com
Windows is a registered trademark of Microsoft Corporation.
Document Disclaimer
© 2000 by ZiLOG, Inc. All rights reserved. Information in this publication concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded. ZiLOG, INC. DOES NOT ASSUME LIABILITY FOR OR PROVIDE A REPRESENTATION OF ACCURACY OF THE INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED IN THIS DOCUMENT. ZiLOG ALSO DOES NOT ASSUME LIABILITY FOR INTELLECTUAL PROPERTY INFRINGEMENT RELATED IN ANY MANNER TO USE OF INFORMATION, DEVICES, OR TECHNOLOGY DESCRIBED HEREIN OR OTHERWISE. Except with the express written approval ZiLOG, use of information, devices, or technology as critical components of life support systems is not authorized. No licenses or other rights are conveyed, implicitly or otherwise, by this document under any intellectual property rights.
Z90255 ROM and Z90251 OTP 32 KB Television Controller with OSD iii
Table of Contents
1 Overview 1
1.1 1.2 1.3 Pin Assignment and Descriptions .... 5 Single-Purpose Pin Descriptions ..... 7 Multiplexed Pin Descriptions... 8
2
Memory Description ...... 10
2.1 2.2 2.3 Standard Register File .......... 10 Expanded Register File ........ 11 Program Memory ......... 11
3 4
Watch-Dog Timer (WDT) ....... 15 Stop Mode and Halt Mode Operation .... 16
4.1 4.2 4.3 Power-Down Halt-Mode Operation ...... 16 Stop Mode Operation ............ 17 STOP Mode Recovery Register .... 18
5
On-Screen Display ........ 22
5.1 5.2 5.3 5.4 5.5 5.6 5.7 5.8 5.9 5.10 OSD Position ......... 22 Second Color Feature........... 25 Mesh and Halftone Effect ..... 28 OSD Fade ..... 33 Inter-Row Spacing ....... 36 Character Generation ........... 37 Character Size and Smoothing Effect ........... 39 Fringing Effect........ 40 Display Attribute Control ....... 40 HV Interrupt Processing ........ 49
6 7
Z90255 I2C Master Interface .......... 53 Input/Output Ports ......... 57
7.1 7.2 7.3 Port 4 Pin-Out Selection Register........ 59 Port 5 Pin-Out Selection Register ........ 62 Port 6 Data Register .... 63
8
Infrared Interface ........... 65
PS001301-0800
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