Key Features .................................................................................................................................................................3
Microcontroller Bus Interface ................................................................................................................................7
JTAG Port .............................................................................................................................................................7
Power Management Unit ......................................................................................................................................8
Development System ....................................................................................................................................................9
General Purpose PLD (GPLD)......................................................................................................................33
Microcontroller Bus Interface ..............................................................................................................................35
Interface to a Multiplexed 8-bit Bus...............................................................................................................35
Interface to a Non-multiplexed 8-bit Bus .......................................................................................................35
General Port Architecture..............................................................................................................................42
Port Operating Modes ...................................................................................................................................44
Port Configuration Registers (PCRs) ............................................................................................................47
Port Data Registers.......................................................................................................................................49
Ports A and B – Functionality and Structure .................................................................................................49
Port C – Functionality and Structure .............................................................................................................51
Port D – Functionality and Structure .............................................................................................................51
For additional information,
Call 800-832-6974
Fax: 510-657-8495
Web Site: http://www.psdst.com
E-mail: ask.psd@st.com
i
PSD9XX Family
PSD913F2
PSD934F2
PSD954F2
Configurable Memory System on a Chip for 8-Bit Microcontrollers
Table of Contents
Power Management............................................................................................................................................54
Automatic Power Down (APD) Unit and Power Down Mode ........................................................................54
Other Power Savings Options.......................................................................................................................58
Reset and Power On Requirement ...............................................................................................................59
Programming In-Circuit using the JTAG Interface ..............................................................................................60
Standard JTAG Signals.................................................................................................................................61
Security and Flash Memories Protection ......................................................................................................61
Absolute Maximum Ratings.........................................................................................................................................62
Operating Range .........................................................................................................................................................62
Example of Typical Power Calculation at Vcc = 5..0 V .......................................................................................64
Example of Typical Power Calculation at Vcc = 5..0 V in Turbo Off Mode .........................................................65
DC Characteristics (5 V ± 10% versions) ....................................................................................................................66
Microcontroller Interface – AC/DC Parameters (5 V ± 10% versions).........................................................................67
Power Down Timing............................................................................................................................................70
AC Testing Input/Output Waveforms...........................................................................................................................81
AC Testing Load Circuit...............................................................................................................................................81
Part Number Construction ...........................................................................................................................................87
I want to make a virtual oscilloscope. I have been searching online for the past few days and have some understanding and confusion: The requirement is to use USB2.0 for communication. Do I need to ma...
Its personal space: [url=https://bbs.eeworld.com.cn/space-uid-137604.html]https://bbs.eeworld.com.cn/space-uid-137604.html[/url] Reason: Posting illegal content advertisements on multiple pages. I hav...
[i=s]This post was last edited by jinglixixi on 2018-4-16 16:09[/i] [align=left]The stepper motor driven by the CH554 development board is 28BYJ-48. Since its working current is relatively large, it n...
I know which forum to post this thread. I am a DSP developer and use the DM643 test box of Hezhongda (by the way, the after-sales service of Hezhongda is really bad). Some of the files in the routines...
S5PC100 - Mobile application processor based on ARMcortex A8 The S5PC100 uses a 32-bit ARMcortex A8 reduced instruction set processor, a 64/32-bit internal bus structure, and a maximum operating speed...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
How do you know if a machine is operating properly? The answer: by leveraging deep learning to detect anomalies in routine vibration data from industrial machines. Anomaly detection has many uses, ...[Details]
A line scan lens is an industrial lens used with line scan cameras. Its imaging principle is to capture the image of the workpiece using a linear sensor and then perform digital signal processing t...[Details]
Ever since the Tesla fire incident, electric cars, already known for their poor reputation, have been subjected to even more scathing criticism. Despite this, many people are still willing to buy t...[Details]
When discussing autonomous driving technology, there are often two extremes: on the one hand, there's the vision of "fully autonomous driving," while on the other, there's concern about potential s...[Details]
One of the most core components of electric vehicles is the motor. The power supply provides electrical energy to the motor, which converts this electrical energy into mechanical energy, which in t...[Details]
UPS stands for Uninterruptible Power Supply, which includes energy storage devices. It is mainly used to provide uninterruptible power supply for devices that require high power stability.
...[Details]
China, August 21, 2025 – STMicroelectronics (NYSE: STM), a world-leading semiconductor company serving a wide range of electronics applications, has published its IFRS 2025 semi-annual financial re...[Details]
A tubular motor is an electric motor that is typically used to control the movement of machines and equipment. Tubular motors are generally divided into two categories: linear tubular motors and ro...[Details]
A pure sine wave inverter has a good output waveform with very low distortion, and its output waveform is essentially the same as the AC waveform of the mains power grid. In fact, the AC power prov...[Details]
A scale, a large, ground-mounted scale, is typically used to measure the tonnage of truck cargo. It's the primary weighing device used in factories, mines, and businesses for bulk cargo measurement...[Details]
Plug-in hybrid vehicles (PHEVs) utilize two powertrains. Their pure electric range is typically inferior to that of pure electric vehicles, often reaching less than half that. Currently, mainstream...[Details]
On August 21, according to a report by Korean media SEDaily yesterday, according to semiconductor industry sources, the HBM4 samples provided by Samsung to Nvidia last month have passed initial tes...[Details]
introduction
The rapid adoption of computers has led to a growing number of tasks being performed on them. People from all walks of life, especially programmers and writers, are spending incre...[Details]
1. Introduction
In 2015, Apple's new MacBook and Apple Watch both featured force-sensing technology, which Apple calls Force Touch. Each time a user presses the touchpad, the device not only p...[Details]