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ST92E141 데이터시트 PDF




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부품번호 ST92E141 기능
기능 8/16-BIT MCU FOR 3-PHASE AC MOTOR CONTROL
제조업체 STMicroelectronics
로고 STMicroelectronics 로고


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ST92E141 데이터시트, 핀배열, 회로
ST92141
8/16-BIT MCU FOR 3-PHASE AC MOTOR CONTROL
s Register File based 8/16 bit Core Architecture
with RUN, WFI, SLOW, HALT and STOP
modes
s 0-25 MHz Operation (internal clock) @ 5V±10%
voltage range
s -40°C to +85°C Operating Temperature Range
s Fully Programmable PLL Clock Generator, with
Frequency Multiplication and low frequency,
low cost external crystal (3-5 MHz)
s Minimum Instruction Cycle time: 160 ns - (@ 25
MHz internal clock frequency)
s Internal Memory:
– EPROM/OTP/FASTROM 16K bytes
– RAM 512 bytes
s 224 general purpose registers available as RAM,
accumulators or index pointers (register file)
s 32-pin Dual Inline and 34-pin Small Outline
Packages
s 15 programmable I/O pins with Schmitt Trigger
input, including 4 high sink outputs (20mA @
VOL=3V)
s 4 Wake-up Interrupts (one usable as Non-
Maskable Interrupt) for emergency event
management
s 3-phase Induction Motor Controller (IMC)
Peripheral with 3 pairs of PWM outputs and
asynchronous emergency stop
s Serial Peripheral Interface (SPI) with Master/
Slave Mode capability
s 16-bit Timer with 8-bit Prescaler usable as a
Watchdog Timer
s 16-bit Standard Timer with 8-bit Prescaler
s 16-bit Extended Function Timer with Prescaler, 2
Input Captures and 2 Output Compares
s 8-bit Analog to Digital Converter allowing up to
6 input channels with autoscan and watchdog
capability
s Low Voltage Detector Reset
s Rich Instruction Set with 14 Addressing Modes
s Division-by-Zero trap generation
s Versatile Development Tools, including
Assembler, Linker, C-compiler, Archiver,
Source Level Debugger and Hardware
Emulators with Real-Time Operating System
available from Third Parties
October 2001
PSDIP32
SO34 Shrink
CSDIP32W
DEVICE SUMMARY
DEVICE
ST92P141
ST92E141
ST92T141
Program
Memory
(Bytes)
16K FASTROM
16K EPROM
16K OTP
RAM
(Bytes)
512
512
512
PACKAGE
PSDIP32/
SO34
CSDIP32W
PSDIP32/
SO34
Rev. 1.7
1/179
9




ST92E141 pdf, 반도체, 판매, 대치품
Table of Contents
6.3 PORT CONTROL REGISTERS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
6.4 INPUT/OUTPUT BIT CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
6.5 ALTERNATE FUNCTION ARCHITECTURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.5.1 Pin Declared as I/O . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.5.2 Pin Declared as an Alternate Function Input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.5.3 Pin Declared as an Alternate Function Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
6.6 I/O STATUS AFTER WFI, HALT AND RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84
7 ON-CHIP PERIPHERALS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.1 TIMER/WATCHDOG (WDT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.1.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85
7.1.2 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86
7.1.3 Watchdog Timer Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87
7.1.4 WDT Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89
7.1.5 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90
7.2 STANDARD TIMER (STIM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
7.2.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92
7.2.2 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93
7.2.3 Interrupt Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.2.4 Register Mapping . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94
7.2.5 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95
7.3 EXTENDED FUNCTION TIMER (EFT) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.3.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.3.2 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.3.3 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96
7.3.4 Interrupt Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
7.3.5 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
7.4 3-PHASE INDUCTION MOTOR CONTROLLER (IMC) . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.4.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.4.2 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.4.3 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
7.4.4 Tacho Counter Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.4.5 IMC Operating mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
7.4.6 IMC Output selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
7.4.7 NMI management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 124
7.4.8 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 125
7.5 SERIAL PERIPHERAL INTERFACE (SPI) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
7.5.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
7.5.2 Main Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
7.5.3 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
7.5.4 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
7.5.5 Interrupt Management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
7.5.6 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
7.6 ANALOG TO DIGITAL CONVERTER (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
7.6.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
7.6.2 Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
7.6.3 Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
7.6.4 Register Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1. 7. 9. 151
8 ELECTRICAL CHARACTERISTICS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
4/179

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ST92E141 전자부품, 판매, 대치품
ST92141 - GENERAL DESCRIPTION
1.1.4 Low Voltage Reset
The on-chip Low Voltage Detector (LVD) gener-
ates a static reset when the supply voltage is be-
low a reference value. The LVD works both during
power-on as well as when the power supply drops
(brown-out). The reference value for the voltage
drop is lower than the reference value for power-
on in order to avoid a parasitic reset when the
MCU starts running and sinks current on the sup-
ply (hysteresis).
1.1.5 I/O Ports
The I/O lines are grouped into two I/O Ports and
can be configured on a bit basis to provide timing,
status signals, an address/data bus for timer in-
puts and outputs, analog inputs, external wake-up
lines and serial or parallel I/O.
1.1.6 3-phase Induction Motor Controller
The IMC controller is designed for variable speed
motor control applications. Three pairs of PWM
outputs are available for controlling a three-phase
motor drive. Rotor speed feedback is provided by
capturing a tachogenerator input signal. Emergen-
cy stop is provided by putting the PWM outputs in
high impedance mode upon asynchronous faulty
event on NMI pin.
1.1.7 Watchdog Timer (WDT)
The Watchdog timer can be used to monitor sys-
tem integrity. When enabled, it generates a reset
after a timeout period unless the counter is re-
freshed by the application software. For additional
security, watchdog function can be enabled by
hardware using a specific pin.
1.1.8 Standard Timer
The standard timer includes a programmable 16-
bit down-counter and an associated 8-bit prescaler
with Single and Continuous counting modes.
1.1.9 Extended Function Timer
The Extended Function Timer can be used for a
wide range of standard timing tasks. It has a 16-bit
free running counter with programmable prescal-
er. Each timer can have up to 2 input capture and
2 output compare pins with associated registers.
This allows applications to measure pulse inter-
vals or generate pulse waveforms. Timer overflow
and other events are flagged in a status register
with optional interrupt generation.
1.1.10 Serial Peripheral Interface (SPI)
The SPI bus is used to communicate with external
devices via the SPI, or I²C bus communication
standards.
1.1.11 Analog/Digital Converter (ADC)
The ADC provides up to 6 analog inputs with on-
chip sample and hold. The analog watchdog gen-
erates an interrupt when the input voltage moves
out of a preset threshold.
7/179
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관련 데이터시트

부품번호상세설명 및 기능제조사
ST92E141

8/16-BIT MCU FOR 3-PHASE AC MOTOR CONTROL

STMicroelectronics
STMicroelectronics

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