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STR910FAM32 数据表(PDF) 44 Page - STMicroelectronics |
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STR910FAM32 数据表(HTML) 44 Page - STMicroelectronics |
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44 / 99 page ![]() Pin description STR91xFAx32 STR91xFAx42 STR91xFAx44 44/99 5.1 LFBGA144 ball connections ● In Table 8 balls labelled NC are no connect balls. These NC balls are reserved for future devices and should NOT be connected to ground or any other signal. There are total of 9 NC (no connection) balls. ● Balls H1 and G4 are assigned as EMI bus write signals (EMI_BWR_WRLn and EMI_WRHn). These two balls can also be configured by the user as EMI low or high byte select signals (EMI_LBn and EMI_UBn). ● The PLLGND (B8) and PLLVDDQ (C9) balls can be connected to VSSQ and VDDQ. Table 8. STR91x LFBGA144 Ball Connections A BCD E F G H J K L M 1 P4.2 P7.2 NC P7.0 VDDQ P7.3 P7.4 EMI_WR Hn (EMI_UB n) VDDQ PHYCLK _P5.2(1) P8.0 P2.2 2 AVREF P4.1 P4.0 P7.1 P2.0 NC P6.2 P5.3 P8.2 P8.3 VSSQ P8.6 3 AVDD P4.3 AVSS NC P2.1 VSS P6.3 P8.1 P6.1 P2.3 P8.4 VBATT 4 P4.6 P4.5 P4.4 VSSQ P5.0 VDD EMI_BWR _WRLn (EMI_LBn) P6.0 P8.5 VSSQ P2.4 X2_RTC 5 P7.7 VDDQ VSSQ P4.7 P7.5 NC VSSQ VSS P2.5 P8.7 VDDQ X1_RTC 6 JTMS JTDO JTDI P1.7 P7.6 P5.1 P2.6 P9.4 P9.3 P9.2 VDD P9.0 7 P1.5 P1.4 NC VDD VSS P1.6 P6.5 VDDQ VSSQ P3.0 USBCLK _P2.7 (2) P9.1 8 VSSQ PLLVSS Q P1.3 JRSTn JTCK VSSQ P6.4 EMI_BAA n P3.3 EMI_WAI Tn P9.5 EMI_BCL K 9 RESET_ OUTn P1.2 PLLVDDQ VDDQ P6.6 VDDQ NC P5.6 EMI_RDn P9.7 P3.4 P9.6 10 X1_CPU P1.0 P1.1 USBDN (3) TAMPER _ IN NC VSS P0.4 EMI_ALE P0.1 P3.5 P3.1 11 X2_CPU JRTCK USBDP(2) MII_MDI O (3) P0.6 P0.5 VDD P5.5 P0.2 P3.7 P0.0 P3.2 12 EMI_WE n P0.7 RESET_I Nn P6.7 NC NC P5.7 P0.3 P5.4 VDDQ VSSQ P3.6 1. No PHYCLK function on STR910F AW devices. 2. No USBCLK function on STR910F AW devices. 3. NU (Not Used) on STR910FAW devices. D10 is not connected, C11 must be pulled up by a 1.5 kOhm resistor to VDDQ. |
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