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Details, datasheet, quote on part number:PSD302-70I
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Datasheet text preview:
PSD3XX ZPSD3XX ZPSD3XXV PSD3XXR ZPSD3XXR ZPSD3XXRV
Low Cost Field Programmable Microcontroller Peripherals
FEATUR ES SUMMARY s Single Supply Voltage: 5 Vą10% for PSD3xx, ZPSD3xx, PSD3xxR, ZPSD3xxR 2.7 to 5.5 V for ZPSD3xxV, ZPSD3xxRV
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Figure 1. Packages
Up to 1 Mbit of EPROM Up to 16 Kbit SRAM Input Latches Programmable I/O ports Page Logic Programmable Security
PLDCC44 (J) CLDCC44 (L) PQFP44 (M) TQFP44 (U)
January 2002
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PSD3XX Family
PSD3XX ZPSD3XX ZPSD3XXV PSD3XXR ZPSD3XXR ZPSD3XXRV Low Cost Microcontroller Peripherals Table of Contents
1 2 3 4 5 6 7 8 9 10 Introduction ........1 Notation .......2 Key Features ..............4 PSD3XX Family Feature Summary ....5 Partial Listing of Microcontrollers Supported ........6 Applications .......6 ZPSD Background ......6 7.1 Integrated Power ManagementTM Operation ............7 Operating Modes (MCU Configurations) ...10 Programmable Address Decoder (PAD)....12 I/O Port Functions .....15 10.1 CSIOPORT Registers ............15 10.2 Port A (PA0-PA7)....16 10.2.1 Port A (PA0-PA7) in Multiplexed Address/Data Mode.......16 10.2.2 Port A (PA0-PA7) in Non-Multiplexed Address/Data Mode ........17 10.3 Port B (PB0-PB7)....18 10.3.1 Port B (PA0-PA7) in Multiplexed Address/Data Mode.......18 10.3.2 Port B (PA0-PA7) in Non-Multiplexed Address/Data Mode ........19 10.4 Port C (PC0-PC2) ...20 10.5 ALE/AS Input Pin ....20 PSD Memory ............21 11.1 EPROM..........21 11.2 SRAM (Optional).....21 11.3 Page Register (Optional) .......21 11.4 Programming and Erasure.....21 Control Signals .........22 12.1 ALE or AS ......22 12.2 WR or R/W.....22 12.3 RD/E/DS (DS option not available on 3X1 devices) ........22 12.4 PSEN or PSEN .......22 12.5 A19/CSI .........23 12.6 Reset Input ....24 Program/Data Space and the 8031 ...........26 Systems Applications.........27 Security Mode ...........30 Power Management...........30 16.1 CSI Input........30 16.2 CMiser Bit ......30 16.3 Turbo Bit (ZPSD Only)...........31 16.4 Number of Product Terms in the PAD Logic...........31 16.5 Composite Frequency of the Input Signals to the PAD Logic .........32 16.6 Loading on I/O Pins ......33 Calculating Power .....34
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PSD3XX Family
PSD3XX ZPSD3XX ZPSD3XXV PSD3XXR ZPSD3XXR ZPSD3XXRV Low Cost Microcontroller Peripherals Table of Contents (cont.)
18 Specifications ............37 18.1 Absolute Maximum Ratings ............37 18.2 Operating Range ....37 18.3 Recommended Operating Conditions............37 18.4 Pin Capacitance......37 18.5 AC/DC Characteristics PSD3XX/ZPSD3XX (All 5 V devices) .....38 18.6 AC/DC Characteristics PSD3XXV (3 V devices only).........39 18.7 Timing Parameters PSD3XX/ZPSD3XX (All 5 V devices)...........40 18.8 Timing Parameters ZPSD3XXV (3 V devices only) ......42 18.9 Timing Diagrams for PSD3XX Parts.............44 18.10 AC Testing .....65 Pin Assignments .......66 Package Information ..........67 Package Drawings ....68 PSD3XX Product Ordering Information .....72 22.1 PSD3XX Selector Guide........72 22.2 Part Number Construction .....73 22.3 Ordering Information..............73 Data Sheet Revision History .............80
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