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ST72F321BAR6TCRE Scheda tecnica(PDF) 16 Page - STMicroelectronics |
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ST72F321BAR6TCRE Scheda tecnica(HTML) 16 Page - STMicroelectronics |
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16 / 247 page ![]() List of figures ST72321Bxxx-Auto 16/247 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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