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SPEAR600 датащи(PDF) 24 Page - STMicroelectronics |
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SPEAR600 датащи(HTML) 24 Page - STMicroelectronics |
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24 / 97 page ![]() Pin description SPEAr600 24/97 Doc ID 16259 Rev 3 3 Pin description The following tables describe the pinout of the SPEAr600 listed by functional block. This description refers to the default configuration of SPEAr600 (full features). More details on the configuration of each pin are given in Table 16: Multiplexing scheme. ● Table 2: System reset, master clock, RTC and configuration pins ● Table 3: Power supply pins ● Table 4: Debug pins ● Table 5: SMI, SSP, UART, FIRDA and I2C pins ● Table 6: USB pins ● Table 7: Ethernet pins ● Table 8: GPIO pins ● Table 9: ADC pins ● Table 10: NAND Flash I/F pins ● Table 11: DDR I/F pins ● Table 12: LCD I/F pins ● Table 13: LVDS I/F pins ● Table 14: EXPI/I2S pins ● Table 15: EXPI pins List of abbreviations: PU = Pull Up PD = Pull Down 3.1 Required external components 1. DDR_COMP_1V8: place an external 121 k Ω resistor between ball V7 and ball V8 2. DDR_COMP_2V5: place an external 121 k Ω resistor between ball V9 and ball V8 3. USB_RREF: connect an external 1.5 k Ω pull-down resistor to ball U4 4. DIGITAL_REXT: place an external 121 k Ω resistor between ball E11 and ball E126. 3.2 Pin descriptions listed by functional block Table 2. System reset, master clock, RTC and configuration pins Group Signal name Ball Direction Function Pin type SYSTEM RESET MRESET C17 Input Main reset TTL Schmitt trigger input buffer, 3.3 V tolerant, PU CONFIG DIGITAL_REXT E11 Ref Configuration Analog, 3.3 V capable, See Note 4 |
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