ABB DSQC328A 3HAC17970-1 Digital I/O Module

ABB DSQC328A 3HAC17970-1 Digital I/O Module

For the memory indirect modes, fields can be omitted. For example, three of many permutations are as follows: ([,An],od) ([,A1],4) ([bd]) ([FC1E]) ([bd,,Xn]) ([8,,D2]) NOTES: N — Absolute address (any valid expression). An — Address register n. Xn — Index register n (An or Dn). d — Displacement (any valid expression). bd — Base displacement (any valid expression). od — Outer displacement (any valid expression). n — Register number (0 to 7). Rn — Offset register n.In commands with RANGE specified as ADDR DEL ADDR, and with size option W or L chosen, data at the second (ending) address is acted on only if the second address is a proper boundary for a word or longword, respectively. Offset Registers Eight pseudo-registers (R0 through R7) called offset registers are used to simplify the debugging of relocatable and position-independent modules.

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