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ST40RA 数据表(PDF) 67 Page - STMicroelectronics |
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ST40RA 数据表(HTML) 67 Page - STMicroelectronics |
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67 / 94 page ![]() 8 Pin description ST40RA 67/94 STMicroelectronics ADCS 7260755H TMUCLK E15 TCLK RTC output clock TMU input clock C2B I/O I/O LPCLKIN E12 EXTAL2 RTC crystal resonator input: on VDDRTC supply - I LPCLKOSC E13 XTAL2 RTC crystal resonator output: on VDDRTC supply - O VDDRTC E11 VCCRTC Real-time clock supply I CLKIN E20 CLKIN System clock input: on VDDCORE supply - I CLKOSC D20 CLKOSC Crystal resonator pin: on VDDCORE supply - O AUXCLKOUT E19 CKIO Reference 27 MHz clock output -O STATUS0 C14 STATUS0 Processor operating status - O STATUS1 D14 STATUS1 Processor operating status - O AUDATA0 C18 AUDATA0 AUD bus command and data - O AUDATA1 C17 AUDATA1 AUD bus command and data - O AUDATA2 C16 AUDATA2 AUD bus command and data - O AUDATA3 C15 AUDATA3 AUD bus command and data - O AUDSYNC D15 AUDSYNC AUD command valid - O AUDCLK D19 AUDCK AUD clock output - O NOTASEBRK E9 NOTASEBRK/ BRKACK Dedicated emulator pin C4 I/O DCLK D11 DCK Clock for udi - I TCK D12 TCK Test clock - I TMS D10 TMS Test mode - I NOTTRST E7 TRST Test reset - I TDI E6 TDI Test data input - I TDO E8 TDO Test data output - O EADDR2 V4 MA2 EMI external address MODE0 E4 O I EADDR3 U4 MA3 EMI external address MODE1 E4 O I EADDR4 V5 MA4 EMI external address MODE2 E4 O I EADDR5 U5 MA5 EMI external address MODE3 E4 O I EADDR6 U6 MA6 EMI external address MODE4 E4 O I EADDR7 T6 MA7 EMI external address MODE5 E4 O I EADDR8 U7 MA8 EMI external address MODE6 E4 O I EADDR9 T7 MA9 EMI external address MODE7 E4 O I EADDR10 U8 MA10 EMI external address MODE8 E4 O I EADDR11 T8 MA11 EMI external address MODE9 E4 O I Pin name Loc Architecture signal name Pin function Pin Default Alternate Type Dir Table 35: PBGA ballout for ST40RA |
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