Datasheet

DocID15818 Rev 11 9/178
STM32F20xxx List of figures
9
Figure 38. I/O AC characteristics definition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 106
Figure 39. Recommended NRST pin protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 107
Figure 40. I
2
C bus AC waveforms and measurement circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110
Figure 41. SPI timing diagram - slave mode and CPHA = 0 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 42. SPI timing diagram - slave mode and CPHA = 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 112
Figure 43. SPI timing diagram - master mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113
Figure 44. I
2
S slave timing diagram (Philips protocol)
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 45. I
2
S master timing diagram (Philips protocol)
(1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115
Figure 46. USB OTG FS timings: definition of data signal rise and fall time . . . . . . . . . . . . . . . . . . . 117
Figure 47. ULPI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118
Figure 48. Ethernet SMI timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 49. Ethernet RMII timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119
Figure 50. Ethernet MII timing diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120
Figure 51. ADC accuracy characteristics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 52. Typical connection diagram using the ADC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123
Figure 53. Power supply and reference decoupling (V
REF+
not connected to V
DDA
). . . . . . . . . . . . . 125
Figure 54. Power supply and reference decoupling (V
REF+
connected to V
DDA
). . . . . . . . . . . . . . . . 125
Figure 55. 12-bit buffered /non-buffered DAC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
Figure 56. Asynchronous non-multiplexed SRAM/PSRAM/NOR read waveforms . . . . . . . . . . . . . . 130
Figure 57. Asynchronous non-multiplexed SRAM/PSRAM/NOR write waveforms . . . . . . . . . . . . . . 131
Figure 58. Asynchronous multiplexed PSRAM/NOR read waveforms. . . . . . . . . . . . . . . . . . . . . . . . 132
Figure 59. Asynchronous multiplexed PSRAM/NOR write waveforms . . . . . . . . . . . . . . . . . . . . . . . 134
Figure 60. Synchronous multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . . . . 135
Figure 61. Synchronous multiplexed PSRAM write timings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137
Figure 62. Synchronous non-multiplexed NOR/PSRAM read timings . . . . . . . . . . . . . . . . . . . . . . . . 138
Figure 63. Synchronous non-multiplexed PSRAM write timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 139
Figure 64. PC Card/CompactFlash controller waveforms for common memory read access . . . . . . 141
Figure 65. PC Card/CompactFlash controller waveforms for common memory write access. . . . . . 141
Figure 66. PC Card/CompactFlash controller waveforms for attribute memory read
access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 142
Figure 67. PC Card/CompactFlash controller waveforms for attribute memory write
access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143
Figure 68. PC Card/CompactFlash controller waveforms for I/O space read access . . . . . . . . . . . . 143
Figure 69. PC Card/CompactFlash controller waveforms for I/O space write access . . . . . . . . . . . . 144
Figure 70. NAND controller waveforms for read access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 71. NAND controller waveforms for write access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146
Figure 72. NAND controller waveforms for common memory read access . . . . . . . . . . . . . . . . . . . . 147
Figure 73. NAND controller waveforms for common memory write access. . . . . . . . . . . . . . . . . . . . 147
Figure 74. SDIO high-speed mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148
Figure 75. SD default mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Figure 76. LQFP64 – 10 x 10 mm 64 pin low-profile quad flat package outline . . . . . . . . . . . . . . . . 151
Figure 77. Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 152
Figure 78. WLCSP64+2 - 0.400 mm pitch wafer level chip size package outline . . . . . . . . . . . . . . . 153
Figure 79. LQFP100, 14 x 14 mm 100-pin low-profile quad flat package outline . . . . . . . . . . . . . . . 155
Figure 80. Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Figure 81. LQFP144, 20 x 20 mm, 144-pin low-profile quad
flat package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
Figure 82. Recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158
Figure 83. LQFP176 - Low profile quad flat package 24 × 24 × 1.4 mm, package outline . . . . . . . . 159
Figure 84. LQFP176 recommended footprint . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
Figure 85. UFBGA176+25 - ultra thin fine pitch ball grid array 10 × 10 × 0.6 mm,
package outline. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162