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Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD ZiLOG Worldwide Headquarters • 532 Race Street • San Jose, CA 95126-3432

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

532 Race Street

San Jose, CA 95126-3432 Telephone: 408.558.8500 Fax: 408.558.8300 www.ZiLOG.com ZiLOG is a registered trademark of ZiLOG Inc. in the United States and in other countries. All other products and/or service names mentioned herein may be trademarks of the companies with which they are associated. Document Disclaimer ©2002 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concerning the devices, applications, or technology described is intended to suggest possible uses and may be superseded.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. Devices sold by ZiLOG, Inc. are covered by warranty and limitation of liability provisions appearing in the ZiLOG, Inc. Terms and Conditions of Sale. ZiLOG, Inc. makes no warranty of merchantability or fitness for any purpose. Except with the express written approval of ZiLOG, use of information, devices, or technology as critical components of life support systems is not authorized. No licenses are conveyed, implicitly or otherwise, by this document under any intellectual property rights.

Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD PS010703-0502 iii Table of Contents

Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD PS010703-0502 The Z90233/Z90234 and Z90231 are the ROM and OTP versions of the eZVision 200 television controller with OSD. Based on ZiLOG’s powerful Z8 architecture, the Z90233/Z90234 and Z90231 contain 24 KB of program memory. The following enhanced features are included:

  • Flexible inter-row spacing
  • Higher character cell resolution (14 x 18)
  • Background mesh effect
  • Dedicated infrared capture registers
  • On-chip analog-to-digital converter
  • Hardware master mode I2C interface The familiar Z8 architecture, in combination with these advanced features, makes the eZVision 200 an ideal choice for midrange televisions in both PAL and NTSC markets. The eZVision 200 family consists of three basic device types:
  • The Z90233 and Z90234 masked ROM
  • The Z90231 OTP
  • The Z90239 In-Circuit Emulator (ICE) chip The OTP supports a field-programmable 24 KB program ROM. The ICE chip is used in the Z90239 emulator and protopak. The Z90233/Z90234 masked ROM supports a 16/32-KB system ROM (selectable through a mask option). The eZVision 200 family takes full advantage of the Z8 microcontroller’s expanded register file space to offer greater flexibility in OSD creations that simulate bitmap graphics, icons, and animation.

Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD PS010703-0502

  • Four channels of 4-bit analog-to-digital converter
  • 27 general-purpose I/O pins
  • Provides I2C master serial communication port
  • 42-pin SDIP and 44-pin PQFP packages
  • Can be emulated with 124-pin PGA package (Z90239)

Figure 2 is a block diagram of the eZVision 200 family. Figure 2. Block Diagram

236 Bytes

Figure 4. 44-Pin PQFP Table 6. Pin Descriptions for the Z90233, Z90234, and Z90231

output ports for PWM applications. Table 6. Pin Descriptions for the Z90233, Z90234, and Z90231 (Continued)

can affect device reliability. Figure 5. Test Load Diagram Table 7. Absolute Maximum Ratings

Table 8 lists the DC characteristics. Table 8. DC Characteristics Typical values measured at 25 °C. Minimum and maximum values indicated from 0 °C to 70 °C.

Table 9 lists the AC characteristics. Figure 6 shows the AC timing diagram. Table 9. AC Characteristics

10 T dPOR Power-on reset delay 5 25 ms

11 T dLVIRES Low-voltage detect to internal

12 T wRES Reset minimum width 5T pC

13 T dHsOl H sync start to VOSC stop 2T pV3 T pV

14 T dHsOh H sync start to VOSC start 1T pV

Figure 6. AC Timing Diagram

easy code generation and program management. Figure 7. Code Development Environment ZiLOG also offers the Z9020900TSC Protopak to verify code on a television.

Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD PS010703-0502

Related Products

Table 10 lists the related TV controllers and vertical blanking interval (VBI) decod- ers. Electrical Features Summary

  • 40 mA maximum supply current
  • 4.50 V to 5.50 V operating range Table 10.Related Products Z9037x eZVision 300 dual-scan TV controller for progressive scan and standard interlaced scan Z9036x eZVision 300 advanced TV controller with 32 KWords of ROM Z86129 eZSelect closed caption decoder (CCD) Z86229 eZSelect CCD with second I 2C address select Z86131 eZSelect auto time set Z86130 eZSelect smart V-chip Z86230 eZSelect smart V-chip with second I 2C address select

Table 11 lists the differences among the eZVision 200 family television controllers. Table 11. eZVision 200 Family Television Controllers

Z90233, Z90234, and Z90231 eZVision 200 Television Controllers with OSD PS010703-0502

Ordering Information

Table 12 lists the ordering information for the eZVision 200 television controllers. Table 12.Ordering Information Part PSI Description Z90233 Z9023306PSC Rxxxx* Z9023306FSC Rxxxx*

16 KB masked ROM 42 SDIP

16 KB masked ROM 44 PQFP

Z90234 Z9023406PSC Rxxxx* Z9023406FSC Rxxxx*

24 KB masked ROM 42 SDIP

24 KB masked ROM 44 PQFP

24 KB OTP 42 SDIP

24 KB OTP 44 PQFP

Z90251 Z9025106PSC 32 KB OTP TV controller Z90255 Z9025506PSC Rxxxx* 32 KB masked ROM TV controller Z9025900ZEM Z9025900ZEM Emulator/programmer Z9020900TSC Z9020900TSC Protopak Z8933200ZCO Z8933200ZCO OSD evaluation board * xxxx is a unique ROM number assigned to each customer code.