Z9025506PSCRXXXX
| Model | Z9025506PSCRXXXX |
| Description | Microcontroller, 8-Bit, MROM, Z8 CPU, 6MHz, CMOS, PDIP42, |
| PDF file | Total 8 pages (File size: 188K) |
| Chip Manufacturer | IXYS |
Z90233, Z90234, and Z90231
eZVision 200 Television Controller with
On-Screen Display
PB006903-0903
Product Brief
Product Block Diagram
16/24 KBytes ROM
Z8 Core
ADC
OSD
PWM
I
2
C
I/O Ports
RAM
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Four channels of 4-bit analog-to-digital con-
verter
27 general-purpose I/O pins
Provides I
2
C master serial communication port
42-pin SDIP and 44-pin PQFP packages
Can be emulated with 124-pin PGA package
(Z90239)
General Description
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:
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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 I
2
C interface
On-Screen Display (OSD)
Features
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Displays of up to 10 rows by 24 columns with
256 characters
Provides character cell resolution of 14 pixels
by 18 scan lines
Offers variable inter-row spacing from 0–15
horizontal scan lines
Uses color palette table to program foreground
and background of character
Microcontroller Features
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Incorporates Z8
®
MCU core at 6 MHz
Z90233 and Z90234 have 16K and 24K
masked ROM, respectively
236 bytes of system RAM
Ten 6-bit pulse width modulators
One 14-bit pulse width modulator
On-chip infrared (IR) capture registers
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:
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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
Z
I
LOG C
ORPORATION
• 532 R
ACE
S
TREET
• S
AN
J
OSE
, CA 95126-3432 •
