
10 Texas Instruments Communication Driver Manual
The 305 Series driver supports the following memory types.
Memory Type Memory Area
16-Bit Word
AC Timer/Counter Accumulator (Read Only - Model 315)
R Data Registers (Not Supported - Model 315)
Memory Type Memory Area
Byte
R Data Registers (Not Supported – Model 315)
(Read Only – Models 325 and 330)
Memory Type Memory Area
Bit
IO Input/Output, Internal Relay, Shift Register
(IO373-IO377 is Read Only - Model 315)
(IO374-IO377 is Read Only - Models 325 and 330)
T Timer Element (Read Only - all models)
C Counter Element (Read Only - all models)
TC Timer/Counter Element (Read Only - all models)
SG Stage Element
Memory addresses are in octal.
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