Advantech PCI-1602 Spécifications télécharger pdf (Page 83)

76 PCL-743/745 Series User's Manual

bit 7 Divisor Latch Access Bit (DLAB)

BASE+4 Modem Control Register (MCR)

bit 0 DTR

bit 1 RTS

BASE+5 Line Status Register (LSR)

bit 0 Receiver data ready

bit 1 Overrun error

bit 2 Parity error

bit 3 Framing error

bit 4 Break interrupt

bit 5 Transmitter holding register empty

bit 6 Transmitter shift register empty

bit 7 At least one parity error, framing

error or break

indication in the FIFO

BASE+6 Modem Status Register MSR)

bit 0 Delta CTS

bit 1 Delta DSR

bit 2 Trailing edge ring indicator

bit 3 Delta received line signal detect

bit 4 CTS

bit 5 DSR

bit 6 RI

bit 7 Received line signal detect

BASE+7 Temporary data register

1 2 ... 78 79 80 81 82 83 84 85 86 87 88 89

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