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ST40RA 数据表(PDF) 66 Page - STMicroelectronics |
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ST40RA 数据表(HTML) 66 Page - STMicroelectronics |
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66 / 94 page  ADCS 7260755H STMicroelectronics 66/94 ST40RA 8 Pin description NOTPREQ3 G16 NOTPCI_REQ3 PCI external request for bus PIO22 EMPIDREQ1 P8 I I/O O NOTPGNT0 D18 NOTPCI_GNT0 PCI grant external request PIO17 P8 I/O I/O NOTPGNT1 D17 NOTPCI_GNT1 PCI grant external request PIO19 P8 O I/O NOTPGNT2 E16 NOTPCI_GNT2 PCI grant external request PIO21 P8 O I/O NOTPGNT3 D16 NOTPCI_GNT3 PCI grant external request PIO23 EMPIDRAK1 P8 O I/O I PCLKOUT F20 PCI_CLOCKOUT PCI clock output PIO14 P8 O I/O NOTPINTA T19 NOTPCI_INTA PCI interrupt request PIO15 P8 I/O I/O DACK0 U19 DACK0 DMA bus acknowledge PIO10 EMPIDACK2 C2A O I/O I DRAK0 U18 DRACK0 DMA request acknowledge PIO9 EMPIDRAK2 C2A O I/O I DREQ0 V20 DREQ0 DMA transfer request PIO8 EMPIDREQ2 C2A I I/O O DACK1 U20 DACK1 DMA bus acknowledge PIO13 EMPIDACK3 C2A O I/O I DRAK1 T20 DRACK1 DMA request acknowledge PIO12 EMPIDRAK3 C2A O I/O I DREQ1 U17 DREQ1 DMA transfer request PIO11 EMPIDREQ3 C2A I I/O O SCI2 V19 RTS1/PIO7 SCI2 transmission request PIO7 C2A O I/O CTS1 V18 CTS1/PIO6 SCI2 transmission enabled PIO6 C2A O I/O RXD0 Y19 RXD0/PIO1 SCI receive data input PIO1 C2A I I/O RXD1 W20 RXD1/PIO4 SCI receive data input PIO4 C2A I I/O SCK0 Y18 SCK0/PIO0 SCI clock input PIO0 C2A I I/O SCK1 W18 SCK1/PIO3 SCI clock input PIO3 C2A I I/O TXD0 Y20 TXD0/PIO2 SCI transmit data output PIO2 C2A O I/O TXD1 W19 TXD1/PIO5 SCI transmit data output PIO5 C2A O I/O NOTRST E14 NOTRESET Power on reset - I IRL0 C10 IRL0 Interrupt request signal - I IRL1 C11 IRL1 Interrupt request signal - I IRL2 C12 IRL2 Interrupt request signal - I IRL3 D13 IRL3 Interrupt request signal - I NMI C13 NMI Nonmaskable interrupt - I Pin name Loc Architecture signal name Pin function Pin Default Alternate Type Dir Table 35: PBGA ballout for ST40RA |
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