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ST72F321BAR6TCRE Scheda tecnica(PDF) 16 Page - STMicroelectronics

Il numero della parte ST72F321BAR6TCRE
Spiegazioni elettronici  8-bit MCU for automotive with 32 to 60 Kbyte Flash/ROM, ADC, 5 timers, SPI, SCI, I2C interface
PDF  247 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

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Figure 49.
Output compare timing diagram, fTIMER = fCPU/2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 50.
Output compare timing diagram, fTIMER = fCPU/4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 51.
One pulse mode cycle flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 52.
One pulse mode timing example . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114
Figure 53.
Pulse width modulation mode timing example with 2 output compare functions . . . . . . . 115
Figure 54.
Pulse width modulation cycle flowchart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116
Figure 55.
Serial peripheral interface block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
Figure 56.
Single master/single slave application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 57.
Generic SS timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 58.
Hardware/Software slave select management . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Figure 59.
Data clock timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 60.
Clearing the WCOL bit (Write Collision Flag) software sequence . . . . . . . . . . . . . . . . . . 134
Figure 61.
Single master / multiple slave configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
Figure 62.
SCI block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 63.
Word length programming . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 64.
SCI baud rate and extended prescaler block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . 147
Figure 65.
Bit sampling in reception mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151
Figure 66.
I2C bus protocol . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 67.
I2C interface block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162
Figure 68.
Transfer sequencing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Figure 69.
Interrupt control logic diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Figure 70.
ADC block diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177
Figure 71.
Pin loading conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 72.
Pin input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190
Figure 73.
fCPU max versus VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193
Figure 74.
Typical application with an external clock source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Figure 75.
Typical application with a crystal or ceramic resonator. . . . . . . . . . . . . . . . . . . . . . . . . . . 200
Figure 76.
Application with a crystal or ceramic resonator for ROM (LQFP64 or any 48/60K ROM) 201
Figure 77.
Typical fOSC(RCINT) versus TA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 201
Figure 78.
Integrated PLL jitter versus signal frequency(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202
Figure 79.
Unused I/O pins configured as input. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Figure 80.
Typical IPU vs VDD with VIN = VSS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 208
Figure 81.
Typical VOL at VDD = 5V (standard) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 82.
Typical VOL at VDD = 5V (high-sink) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 83.
Typical VOH at VDD = 5V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 209
Figure 84.
Typical VOL versus VDD (standard). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Figure 85.
Typical VOL versus VDD (high-sink) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Figure 86.
Typical VDD-VOH versus VDD. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210
Figure 87.
RESET pin protection when LVD is enabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212
Figure 88.
RESET pin protection when LVD is disabled . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213
Figure 89.
Two typical applications with ICCSEL/VPP pin(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214
Figure 90.
SPI slave timing diagram with CPHA = 0(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Figure 91.
SPI slave timing diagram with CPHA = 1(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216
Figure 92.
SPI master timing diagram(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217
Figure 93.
Typical application with I2C BUS and timing diagram(1) . . . . . . . . . . . . . . . . . . . . . . . . . 219
Figure 94.
RAIN maximum versus fADC with CAIN = 0pF(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 95.
Recommended CAIN and RAIN values(1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 96.
Typical A/D converter application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221
Figure 97.
Power supply filtering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 222
Figure 98.
ADC error classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223
Figure 99.
64-pin (14x14) low profile quad flat package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224
Figure 100. 64-pin (10x10) low profile quad flat package outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225



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