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Z86250 CP96TEL0302
CUSTOMERPROCUREMENTSPECIFICATION
Z86250
STARSIGHTDATABASEENGINE
FEATURES
s Part
Z86250
Package
84-Pin PLCC
Speed (MHz)
24
s s
Infrared Receiver Logic CRC-32 Encoding and Decoding Logic Watch-Dog Timer (WDT) for Error Recovery Serial I.M. and I2C Compatible Bus for External Communication Test Multiplexer for Chip Debug
s s s s
4.3- to 5.5-Volt Operating Range s 0C to +70C Temperature Range s Low-Power Consumption Segmented Base Registers s
GENERAL DESCRIPTION
Zilog's Z86250 StarSight Data Base Engine (DBE) is designed to process extracted data for the StarSight on-screen programming guide. The device is logically equivalent to the DBE1200 for StarSight applications. The Z86250 provides a number of important peripheral functions, such as the IR Blaster to send command signals to the VCR, and low-power management to avoid loss of data. For fast memory data manipulation, the Z86250 offers segmented base registers. The device also features PSRAM memory control and refresh logic. The DBE is optimized to work with Zilog's Z89300 series of TV controller devices to provide a cost-effective solution for StarSight programming-guide data extraction and display.
Notes: All Signals with a preceding front slash, "/", are active Low, e.g.: B//W (WORD is active Low); /B/W (BYTE is active Low, only). Power connections follow conventional descriptions below: Connection Power Ground Circuit VCC GND Device VDD VSS
CP96TEL0302 (2/96)
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Z86250 CP96TEL0302
GENERAL DESCRIPTION (Continued)
Database Engine Block Diagram
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Z86250 CP96TEL0302
PIN DESCRIPTION
PPERF/SEL2 PPWM/OUT PSPARE PXLPWARN 75 74 PRAM/A7 PRF/SEL0 PERF/SEL1 PB1/INC PTESTOUT PXRFSH18
PRAM/A16 PRAM/A15 VDD
11 PX/RESET P/IM/DATA PIM/CLK PIMI/DEN PXRAMWE1 PXRAMWE0 PRAM/A13 PRAM/A8 PRAM/A6 PRAM/A9 GND2 VDD2 PRAM/A5 PRAM/A11 PRAM/A4 PRAM/A10 PXRAMOE0 PXRAMOE1 PXCE1 P6805CLK POSC/2 32 33 12
1 84
PRAM/A14 PCE2/A17 PRAM/A12
PIRR/RDY PIRR/CLK PIRRDTA PBANDO
GND
PBAND2I PISB/DTA PISB/CLK P/A7 P/A6 P/A5 P/A4 PXTAL2 PXTAL1 VDD4 GND4 P/A3 P/A2 P/A1 P/A0 PIR/XCLK P/A8 P/A9 P/A10 P/A11
Z86250 84-Pin PLCC
42 43
53
54
P/A12
P/XRD PXISBINT PUPRESET PDRAM/EN
P/XWR
PXENBASE P/AD0 P/AD1 P/AD2
GND3 VDD3 P/AD4
P/AD3
P/AD5 P/AD6
P/AD7
P/ALE P/XPSEN
Z86250 84-Pin PLCC Pin Assignments
P/A15 P/A14 P/A13
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Z86250 CP96TEL0302
PIN DESCRIPTION (Continued)
Z86250 Pinouts
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Z86250 CP96TEL0302
ABSOLUTE MAXIMUM RATINGS
Symbol VDD TA TS Parameter Power Supply Voltage Operating Ambient Temp. Storage Temperature Min -0.3 0 -65 Max 7 70 150 Units V C C Conditions All pins with respect to GND
Stress greater than those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only; operation of the device at any condition above those indicated in the operational sec-
tions of these specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability.
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Z86250 CP96TEL0302
DC CHARACTERISTICS TA = 0C to + 70C; VCC = 4.3 V to + 5.5 V
Symbol VIL VIH VOL1 VOH1 VOL2 VOH2 VXIL1 VXIH1 VXOL2 VXOH2 IOL1 IOL1 IOL2 IOL2 VDD1 VDD2 IDD1 IDD2 Parameter Input Voltage Low Input Voltage High Output Voltage Low Output Voltage High Output Voltage Low Output Voltage High Input Voltage Low Input Voltage High Output Voltage Low Output Voltage High Output Output Output Output Current Current Current Current Low High Low High Min 0 0.5 V DD V DD -0.4 V DD -0.4 0.7 V DD V DD -0.4 2.5 1.5 10 6 4.3 3.0 5.0 5.5 5.5 40 10 0.16 4.75 0.4 VDD Max 0.2 VDD VDD 0.16 4.75 0.16 4.75 Typical 0.4 3.6 0.4 VDD 0.4 VDD 0.2 VDD Units V V V V V V V V V V mA mA mA mA V V mA A Conditions (except XTAL1) (except XTAL1) @ I OH1 @ I OH1 @ I OH2 @ I OH2 for XTAL1 for XTAL1 for XTAL2 for XTAL2 @ 4.5 mA @ 3.7 mA Notes
Operating Supply Voltage Sleep Supply Voltage Operating Supply Current Operating Supply Current
AC CHARACTERISTICS TA = 0C to + 70C; VDD = 4.3 V to + 5.5 V
Symbol fosc VIN VOUT Parameter Oscillator Frequency Absolute Min/Max Input Voltage Range Absolute Min/Max Output Voltage Range Min Max Typical 24 -0.3 -0.3 VDD + 0.3 VDD + 0.3 Units MHz V V Conditions Notes
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Z86250 CP96TEL0302
I/O READ ADDRESS REGISTER SUMMARY
I/O Read Address Register Summary Table
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Z86250 CP96TEL0302
I/O WRITE ADDRESS REGISTER SUMMARY
I/O Write Address Register Summary Table
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Z86250 CP96TEL0302
(c) 1996 by Zilog, Inc. All rights reserved. No part of this document may be copied or reproduced in any form or by any means without the prior written consent of Zilog, Inc. The information in this document is subject to change without notice. Devices sold by Zilog, Inc. are covered by warranty and patent indemnification provisions appearing in Zilog, Inc. Terms and Conditions of Sale only. Zilog, Inc. makes no warranty, express, statutory, implied or by description, regarding the information set forth herein or regarding the freedom of the described devices from intellectual property infringement. Zilog, Inc. makes no warranty of merchantability or fitness for any purpose. Zilog, Inc. shall not be responsible for any errors that may appear in this document. Zilog, Inc. makes no commitment to update or keep current the information contained in this document.
Zilog's products are not authorized for use as critical components in life support devices or systems unless a specific written agreement pertaining to such intended use is executed between the customer and Zilog prior to use. Life support devices or systems are those which are intended for surgical implantation into the body, or which sustains life whose failure to perform, when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in significant injury to the user. Zilog, Inc. 210 East Hacienda Ave. Campbell, CA 95008-6600 Telephone (408) 370-8000 FAX 408 370-8056 Internet: http://www.zilog.com
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