Z90251 ZILOG [Zilog, Inc.], Z90251 Datasheet - Page 3

• Manufacturer Part Number: Z90251
• Description: eZVision 200 Television Controllers with OSD
• Manufacturer: ZILOG [Zilog, Inc.]

Table of Contents
1
2
3
4
5
6
7
8
Overview 1
1.1
1.2
1.3
Memory Description ........................................................................ 10
2.1
2.2
2.3
Watch-Dog Timer (WDT) ................................................................ 15
Stop Mode and Halt Mode Operation .............................................. 16
4.1
4.2
4.3
On-Screen Display .......................................................................... 22
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
5.9
5.10
Z90255 I2C Master Interface .......................................................... 53
Input/Output Ports ........................................................................... 57
7.1
7.2
7.3
Infrared Interface ............................................................................. 65
Pin Assignment and Descriptions .................................................... 5
Single-Purpose Pin Descriptions ..................................................... 7
Multiplexed Pin Descriptions............................................................ 8
Standard Register File ................................................................... 10
Expanded Register File ................................................................. 11
Program Memory ........................................................................... 11
Power-Down Halt-Mode Operation ................................................ 16
Stop Mode Operation ..................................................................... 17
STOP Mode Recovery Register .................................................... 18
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
Port 4 Pin-Out Selection Register.................................................. 59
Port 5 Pin-Out Selection Register .................................................. 62
Port 6 Data Register ...................................................................... 63
32 KB Television Controller with OSD
PS001301-0800
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