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SPEAR320S-2 Folha de dados(PDF) 4 Page - STMicroelectronics |
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SPEAR320S-2 Folha de dados(HTML) 4 Page - STMicroelectronics |
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4 / 113 page ![]() Contents SPEAr320S 4/113 Doc ID 022508 Rev 2 4.7 LPDDR and DDR2 pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . 74 4.8 ADC pin characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75 4.9 Power-up sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 4.10 Power-down sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76 4.11 Reset release . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77 5 Timing requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 5.1 External interrupt timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . 78 5.2 Reset timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78 5.3 CAN timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79 5.4 CLCD timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80 5.5 DDR2/LPDDR timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81 5.5.1 DDR2/LPDDR read cycle timing characteristics . . . . . . . . . . . . . . . . . . 81 5.5.2 DDR2/LPDDR write cycle timing characteristics . . . . . . . . . . . . . . . . . . 82 5.5.3 DDR2/LPDDR command timing characteristics . . . . . . . . . . . . . . . . . . 82 5.6 EMI timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83 5.7 Ethernet MII timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 5.7.1 MII transmit timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85 5.7.2 MII receive timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 5.7.3 MDC/MDIO timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86 5.8 Ethernet RMII timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 5.8.1 RMII transmit timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 5.8.2 RMII receive timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87 5.9 FSMC timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89 5.10 GPIO/XGPIO timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91 5.11 I2C timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92 5.12 I2S timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 5.13 PWM timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 5.14 SD timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96 5.15 SMI timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97 5.16 SSP timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 5.16.1 SPI master mode timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98 5.16.2 SPI slave mode timings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 5.17 SPP timing characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 103 |
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