Technologic Systems TS-SER4, Руководство пользователя

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The Base + 3 address has the RS-485 option bit returned on bit 6. Bits 0-4 return the
status of other miscellaneous jumpers. Bit 7 of this register is readable and writeable.
When set, bit 7 enables RS-485 and RS-422 operation. At power-up or system reset, bit
7 is initialize to a zero (RS-485 disabled). Note bit 6 must set (RS-485 option is
populated) in order for RS-485 or RS-422 to function.
6. Interrupt Selection
The TS-SER4 has four interrupt
sources (COM_A thru COM_D) that
can be routed to one or two of 11
possible PC/104 interrupts.
Jumpers are used to select which
interrupts are used.
The jumpers use a simple addition
algorithm to select the interrupt.
For example, if you wish to use
IRQ6, then the jumpers labeled
IRQ2 and IRQ4 should be installed
(4 + 2 = 6).
Either a single interrupt or two
interrupts may be used. All four
sources are mapped to a single
interrupt when jumper “2-IRQs” is
not installed. When this jumper is
installed, the COM_A and COM_C
interrupts are routed to the lower
IRQ and COM_B and COM_D
interrupts are routed to the higher
IRQ as shown in Table 6. The
Interrupt status register can be
read to determine which COM port
is the source of the interrupt.
See Section 5.
Address Bit 7 Bit 6 Bit 5 Bit 4 Bit 3 Bit 2 Bit 1 Bit 0
Base + 0 0 1 1 1 1 0 1 0
Base + 1 INT_D INT_C INT_B INT_A
Base + 2 J_com4 J_com2 J_com1 J_irq8 J_irq4 J_irq2 J_irq1
Base + 3 En_485 OP_485 J_JP3 J_JP2 J_JP1 J_2xBaud J_2irq
Table 5 - TS-SER4 Control and Status Registers
Jumper
IRQ1
Jumper
IRQ2
Jumper
IRQ4
Jumper
IRQ8
Jumper
2-IRQs
IRQ
Selected
Yes Yes No No No IRQ3
No No Yes No No IRQ4
Yes No Yes No No IRQ5
No Yes Yes No No IRQ6
Yes Yes Yes No No IRQ7
Yes No No Yes No IRQ9
No Yes No Yes No IRQ10
Yes Yes No Yes No IRQ11
No No Yes Yes No IRQ12
No Yes Yes Yes No IRQ14
Yes Yes Yes Yes No IRQ15
Yes Yes No No Yes 3 and 4
No No Yes No Yes 4 and 5
Yes No Yes No Yes 5 and 6
No Yes Yes No Yes 6 and 7
Yes Yes Yes No Yes 7 and 9
Yes No No Yes Yes 9 and 10
No Yes No Yes Yes 10 and 11
Yes Yes No Yes Yes 11 and 12
No No Yes Yes Yes 12 and 14
No Yes Yes Yes Yes 14 and 15
Table 6 – Interrupt Selection