
Sensoray Model 626 Instruction Manual
8
8. Initial States After Reset
8.1 Miscellaneous Registers
Table 1 MISC1 & MISC2 Registers Initial States
Register or I/O State See Page
Watchdog oscillator Oscillator 1 is selected.
Watchdog Disabled
MISC1 Write Enable Disabled.
Watchdog period
1
/
8
th
second
EDCAP 0
Watchdog/Miscellaneous Registers 23
8.2 Digital I/O
Table 2 Digital I/O Initial States
Register or I/O State See Page
Digital I/O 0-7 All inputs. (pull up resistors enabled)
Digital I/O 8-47 Indeterminate (will depend on the inputs during reset)
Digital I/O 0-5 Will work as digital inputs not counter overflows
Digital I/O 9
EDGSEL
INTSEL
CAPSEL
Cleared
8.3 Counters
If there is a charged external battery connected to the system, then most of the functionality of the
counters is held through a reset/power failure. The interrupts are disabled to allow the system time to get
back up and running.
Table 3 Counter Initial States
Register or I/O State See Page
Counter input selection
Edge detection
Multiplier
Clear Counter B
Pre-load trigger
Pre-load registers
Unchanged
Counters 14
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