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ST72141K2M1 bảng dữ liệu(PDF) 5 Page - STMicroelectronics

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Giải thích chi tiết về linh kiện  8-BIT MCU WITH ELECTRIC-MOTOR CONTROL, ADC, 16-BIT TIMERS, SPI INTERFACE
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
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ST72141K2M1 bảng dữ liệu(HTML) 5 Page - STMicroelectronics

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ST72141K
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1 GENERAL DESCRIPTION
1.1 INTRODUCTION
The ST72141K devices are members of the ST7
microcontroller family designed specifically for mo-
tor control applications and including A/D conver-
sion and SPI interface capabilities. They include
an on-chip Moter Controller peripheral for control
of electric brushless moters with or without sen-
sors. An example application, for 6-step control of
a Permanent Magnet DC motor, is shown in Figure
1.
The ST72141K devices are based on a common
industry-standard 8-bit core, featuring an en-
hanced instruction set.
Under software control, they can be placed in
WAIT, SLOW, or HALT mode, reducing power
consumption when the application is in idle or
standby state.
The enhanced instruction set and addressing
modes of the ST7 offer both power and flexibility to
software developers, enabling the design of highly
efficient and compact application code. In addition
to standard 8-bit data management, all ST7 micro-
controllers feature true bit manipulation, 8x8 un-
signed multiplication and
indirect addressing
modes.
Figure 1. Example of a 6-step-controlled Motor
Figure 2. Device Block Diagram
0
1
2
3
4
5
A
B
C
Net
Step
Σ
1
Σ
2
Σ
3
Σ
4
Σ
5
Σ
6
Σ
1
Σ
2
Σ
3
C
A
B
300V
4
1
I4
I1
I3
I6
I2
I5
300V
150V
0
300V
150V
0
300V
150V
0
ST7
MTC
MCO5-0
MCIB
MCIA
MCIC
2
0
3
5
6
8-BIT CORE
ALU
OSC1
OSC2
RESET
MOTOR CTRL
TIMER B
TIMER A
PORT B
WATCHDOG
MCO5:0
OSC
Internal
CLOCK
CONTROL
256b-RAM
PA7:0
VSS
VDD
POWER
SUPPLY
8K-EPROM
PORT A
8-BIT ADC
SPI
OC1A
MCIA:C
MCES
MCCFI
PB5:0
DIV
LVD
(6-BIT)
(8-BIT)
4


Số phần tương tự - ST72141K2M1

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February 2000
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Mô tả tương tự - ST72141K2M1

nhà sản xuấttên linh kiệnbảng dữ liệuGiải thích chi tiết về linh kiện
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