ZPSD211RN Просмотр технического описания (PDF) - STMicroelectronics
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ZPSD211RN Datasheet PDF : 51 Pages
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PSD211R Family
PSD211R ZPSD211R ZPSD211RV
Low Cost Microcontroller Peripherals
Table of Contents
1 Introduction ...........................................................................................................................................................1
2 Notation ................................................................................................................................................................2
3 Key Features ........................................................................................................................................................4
4 PSD211R Family Feature Summary ....................................................................................................................5
5 Partial Listing of Microcontrollers Supported ........................................................................................................5
6 Applications ..........................................................................................................................................................5
7 ZPSD Background ................................................................................................................................................5
7.1 Integrated Power ManagementTM Operation .............................................................................................6
8 Operating Mode ....................................................................................................................................................9
9 Programmable Address Decoder (PAD)...............................................................................................................9
10 I/O Port Functions ...............................................................................................................................................12
10.1 CSIOPORT Registers..............................................................................................................................12
10.2 Port A (PA0-PA7).....................................................................................................................................12
10.3 Port B (PB0-PB7).....................................................................................................................................14
10.4 Port C (PC0-PC2) ....................................................................................................................................15
11 PSD Memory ......................................................................................................................................................16
11.1 EPROM....................................................................................................................................................16
11.2 Programming and Erasure.......................................................................................................................16
12 Control Signals ...................................................................................................................................................16
12.1 ALE or AS ................................................................................................................................................17
12.2 WR or R/W...............................................................................................................................................17
12.3 RD/E ........................................................................................................................................................17
12.4 PSEN .......................................................................................................................................................17
12.5 A19/CSI ...................................................................................................................................................17
12.6 Reset Input ..............................................................................................................................................18
13 Program/Data Space and the 8031 ....................................................................................................................20
14 Systems Applications..........................................................................................................................................21
15 Security Mode .....................................................................................................................................................23
16 Power Management............................................................................................................................................23
16.1 CSI Input..................................................................................................................................................23
16.2 CMiser Bit ................................................................................................................................................23
16.3 Turbo Bit (ZPSD Only).............................................................................................................................24
16.4 Number of Product Terms in the PAD Logic............................................................................................24
16.5 Composite Frequency of the Input Signals to the PAD Logic..................................................................25
16.6 Loading on I/O Pins .................................................................................................................................26
17 Calculating Power ...............................................................................................................................................27
18 Specifications......................................................................................................................................................30
18.1 Absolute Maximum Ratings .....................................................................................................................30
18.2 Operating RAnge .....................................................................................................................................30
18.3 Recommended Operating Conditions......................................................................................................30
18.4 Pin Capacitance.......................................................................................................................................30
18.5 AC/DC Characteristics – PSD211R/ZPSD211R (All 5 V devices)...........................................................31
18.6 AC/DC Characteristics – PSD211RV (3 V devices only).........................................................................32
18.7 Timing Parameters – PSD211R/ZPSD211R (All 5 V devices) ................................................................33
18.8 Timing Parameters – ZPSD211RV (3 V devices only) ............................................................................34
18.9 Timing Diagrams for PSD211R Parts .....................................................................................................36
18.10 AC Testing ...............................................................................................................................................39
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