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ST90135 Datasheet(PDF) 92 Page - STMicroelectronics |
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ST90135 Datasheet(HTML) 92 Page - STMicroelectronics |
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92 / 190 page  92/190 ST90158 - I/O PORTS INPUT/OUTPUT BIT CONFIGURATION (Cont’d) Figure 49. Control Bits n Table 19. Port Bit Configuration Table (n = 0, 1... 7; X = port number) (1) For A/D Converter inputs. Legend: X = Port n = Bit AF = Alternate Function BID = Bidirectional CMOS= CMOS Standard Input Levels HI-Z = High Impedance IN = Input OD = Open Drain OUT = Output PP = Push-Pull TTL = TTL Standard Input Levels WP = Weak Pull-up Bit 7 Bit n Bit 0 PxC2 PxC27 PxC2n PxC20 PxC1 PxC17 PxC1n PxC10 PxC0 PxC07 PxC0n PxC00 General Purpose I/O Pins A/D Pins PXC2n PXC1n PXC0n 0 0 0 1 0 0 0 1 0 1 1 0 0 0 1 1 0 1 0 1 1 1 1 1 1 1 1 PXn Configuration BID BID OUT OUT IN IN AF OUT AF OUT AF IN PXn Output Type WP OD OD PP OD HI-Z HI-Z PP OD HI-Z(1) PXn Input Type TTL (or Schmitt Trigger) TTL (or Schmitt Tr igger) TTL (or Schmitt Tri gger) TTL (or Schmitt Trigger) CMOS (or Schmitt Tr igger) TTL (or Schmitt Trigger) TTL (or Schmitt Trigger) TTL (or Schmitt Trigger) Analog Input 9 |
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