User`s manual

Maxiflex T2 CPU User Manual 36 -© Omniflex
UMM124XBR04.pdf
DIT Number Description
22
System Register
Indicates the following conditions current in the CPU:
Bit 0: Application program HALTED (0) or RUNNING (1)
Bit 1: CPU Battery HEALTHY (0) or LOW (1)
Bit 2: I/O Manifest HEALTHY (0) or ERROR (1)
Bit 3: I/O Manifest Key UNLOCKED (0) or LOCKED(1)
Bits 4-7 Auto-scanning OFF (0000) or ON (1111)
Bits 8-15: Reserved
23
Alive Counter
Free running counter in the CPU. Useful for communications diagnostics. While
this register is incrementing, the Operating System is running. If this register is
static, the CPU has halted or communications has failed.
24 – 31
Current Real Time Clock (RTC) Data
The current date and time on the CPU.
24 RTC Current Year
25 RTC Current Month
26 RTC Current Date
27 RTC Current Day
28 RTC Current Hour
29 RTC Current Minute
30 RTC Current Second
31 RTC Current Millisecond
32 – 39
Power Down Real Time Clock (RTC) Data
The time the CPU was last powered down.
32 RTC Power Down Year
33 RTC Power Down Month
34 RTC Power Down Date
35 RTC Power Down Day
36 RTC Power Down Hour
37 RTC Power Down Minute
38 RTC Power Down Second
39 RTC Power Down Millisecond
40 – 47
Power Up Real Time Clock (RTC) Data
The time the CPU was last powered up.
40 RTC Power Up Year
41 RTC Power Up Month
42 RTC Power Up Date
43 RTC Power Up Day
44 RTC Power Up Hour
45 RTC Power Up Minute
46 RTC Power Up Second
47 RTC Power Up Millisecond