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ST72321BR9-AUTO bảng dữ liệu(PDF) 7 Page - STMicroelectronics

tên linh kiện ST72321BR9-AUTO
Giải thích chi tiết về linh kiện  8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface
Download  247 Pages
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nhà sản xuất  STMICROELECTRONICS [STMicroelectronics]
Trang chủ  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72321BR9-AUTO bảng dữ liệu(HTML) 7 Page - STMicroelectronics

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ST72321Bxxx-Auto
Contents
7/247
14.7
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
14.8
SPI registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
14.8.1
Control register (SPICR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
14.8.2
Control/status register (SPICSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
14.8.3
Data I/O register (SPIDR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138
15
Serial communications interface (SCI) . . . . . . . . . . . . . . . . . . . . . . . . 140
15.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
15.2
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140
15.3
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141
15.4
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
15.4.1
Serial data format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
15.4.2
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 144
15.4.3
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 145
15.5
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
15.6
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
15.7
SCI registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
15.7.1
Status register (SCISR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
15.7.2
Control register 1 (SCICR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 154
15.7.3
Control register 2 (SCICR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
15.7.4
Data register (SCIDR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
15.7.5
Baud rate register (SCIBRR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
15.7.6
Extended receive prescaler division register (SCIERPR) . . . . . . . . . . 157
15.7.7
Extended transmit prescaler division register (SCIETPR) . . . . . . . . . . 158
16
I2C bus interface (I2C) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
16.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
16.2
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
16.2.1
I2C master features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
16.2.2
I2C slave features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 160
16.3
General description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
16.3.1
Mode selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
16.3.2
Communication flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
16.3.3
SDA/SCL line control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
16.4
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163
16.4.1
Slave mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163


Số phần tương tự - ST72321BR9-AUTO

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