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ST72F321BAR6TCRE Datasheet(PDF) 8 Page - STMicroelectronics

No. de pieza ST72F321BAR6TCRE
Descripción Electrónicos  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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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72F321BAR6TCRE Datasheet(HTML) 8 Page - STMicroelectronics

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Contents
ST72321Bxxx-Auto
8/247
16.4.2
Master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
16.5
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
16.6
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
16.7
Register description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
16.7.1
I2C control register (CR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
16.7.2
I2C status register 1 (SR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
16.7.3
I2C status register 2 (SR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
16.7.4
I2C clock control register (CCR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173
16.7.5
I2C data register (DR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
16.7.6
I2C own address register (OAR1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174
16.7.7
I2C own address register (OAR2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
17
10-bit A/D converter (ADC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
17.1
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
17.2
Main features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
17.3
Functional description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
17.3.1
A/D converter configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
17.3.2
Starting the conversion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
17.3.3
Changing the conversion channel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
17.4
Low power modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
17.5
Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
17.6
ADC registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
17.6.1
Control/status register (ADCCSR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
17.6.2
Data register (ADCDRH) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180
17.6.3
Data register (ADCDRL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
17.6.4
ADC register map and reset values . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
18
Instruction set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
18.1
CPU addressing modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
18.1.1
Inherent . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 183
18.1.2
Immediate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
18.1.3
Direct . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
18.1.4
Indexed (no offset, short, long) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184
18.1.5
Indirect (short, long) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
18.1.6
Indirect Indexed (Short, Long) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
18.1.7
Relative (Direct, Indirect) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186


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