zpsd211r STMicroelectronics, zpsd211r Datasheet - Page 2
zpsd211r
Manufacturer Part Number
zpsd211r
Description
Low Cost Field Programmable Microcontroller Peripherals
Manufacturer
STMicroelectronics
Datasheet
1.ZPSD211R.pdf
(51 pages)
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Introduction ...........................................................................................................................................................1
Notation ................................................................................................................................................................2
Key Features ........................................................................................................................................................4
PSD211R Family Feature Summary ....................................................................................................................5
Partial Listing of Microcontrollers Supported ........................................................................................................5
Applications ..........................................................................................................................................................5
ZPSD Background ................................................................................................................................................5
7.1
Operating Mode ....................................................................................................................................................9
Programmable Address Decoder (PAD)...............................................................................................................9
I/O Port Functions ...............................................................................................................................................12
10.1
10.2
10.3
10.4
PSD Memory ......................................................................................................................................................16
11.1
11.2
Control Signals ...................................................................................................................................................16
12.1
12.2
12.3
12.4
12.5
12.6
Program/Data Space and the 8031 ....................................................................................................................20
Systems Applications..........................................................................................................................................21
Security Mode .....................................................................................................................................................23
Power Management............................................................................................................................................23
16.1
16.2
16.3
16.4
16.5
16.6
Calculating Power ...............................................................................................................................................27
Specifications......................................................................................................................................................30
18.1
18.2
18.3
18.4
18.5
18.6
18.7
18.8
18.9
18.10 AC Testing ...............................................................................................................................................39
Integrated Power Management
CSIOPORT Registers..............................................................................................................................12
Port A (PA0-PA7).....................................................................................................................................12
Port B (PB0-PB7).....................................................................................................................................14
Port C (PC0-PC2) ....................................................................................................................................15
EPROM....................................................................................................................................................16
Programming and Erasure.......................................................................................................................16
ALE or AS ................................................................................................................................................17
WR or R/W...............................................................................................................................................17
RD/E ........................................................................................................................................................17
PSEN .......................................................................................................................................................17
A19/CSI ...................................................................................................................................................17
Reset Input ..............................................................................................................................................18
CSI Input..................................................................................................................................................23
CMiser Bit ................................................................................................................................................23
Turbo Bit (ZPSD Only).............................................................................................................................24
Number of Product Terms in the PAD Logic............................................................................................24
Composite Frequency of the Input Signals to the PAD Logic..................................................................25
Loading on I/O Pins .................................................................................................................................26
Absolute Maximum Ratings .....................................................................................................................30
Operating RAnge .....................................................................................................................................30
Recommended Operating Conditions......................................................................................................30
Pin Capacitance.......................................................................................................................................30
AC/DC Characteristics – PSD211R/ZPSD211R (All 5 V devices)...........................................................31
AC/DC Characteristics – PSD211RV (3 V devices only).........................................................................32
Timing Parameters – PSD211R/ZPSD211R (All 5 V devices) ................................................................33
Timing Parameters – ZPSD211RV (3 V devices only) ............................................................................34
Timing Diagrams for PSD211R Parts .....................................................................................................36
PSD211R
Low Cost Microcontroller Peripherals
PSD211R Family
TM
Operation .............................................................................................6
Table of Contents
ZPSD211R
ZPSD211RV