72 Technical Bulletin—TC-9100 Universal Controller
Item Type MEM R/W Tag Description
Hex Dec
82 130 not used
83 131 2 Bytes D WP ALG Configuration Index 1
84 132 2 Bytes VR W XST Diagnostic Status
X4...X1 not used
X5=1 RC* DIAL Dial Request Status
X8...X6 not used
X9=1 R XAI1 Unreliable (no external write over
the N2 Bus or Service Module since
power up)
X10=1 R XAI2 Unreliable (no external write over
the N2 Bus or Service Module since
power up)
X11=1 R XAI3 Unreliable (no external write over
the N2 Bus or Service Module since
power up)
X12=1 R XAI4 Unreliable (no external write over
the N2 Bus or Service Module since
power up)
X13=1 R EEPROM Not Protected (jumper
inserted)
X14=1 RC* RST Microprocessor Reset Cycle Indication
X16 X15
Type of Reset
=00 R Power Up Reset
=01 R External Reset
=10 R Oscillator Failure Reset
=11 R Watchdog Reset
*Note: Although the bits of XST are read-only, data can be written to the
XST Item. When data is written to XST (no matter what value),
the two bits marked RC are always reset to zero (cleared).
General
Configuration
Parameters
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