ADUC842BSZ62-3 Datasheet, PDF (55/88 Pages) Analog Devices – MicroConverter 12-Bit ADCs and DACs with Embedded High Speed 62-kB Flash MCU

TIMECON
SFR Address
Power-On Default
Bit Addressable
TIC Control Register
A1H
00H
No
ADuC841/ADuC842/ADuC843
Table 24. TIMECON SFR Bit Designations
Bit No. Name Description
7
----
Reserved.
6
TFH
Twenty-Four Hour Select Bit.
Set by the user to enable the hour counter to count from 0 to 23.
Cleared by the user to enable the hour counter to count from 0 to 255.
5
ITS1
Interval Timebase Selection Bits.
4
ITS0
Written by user to determine the interval counter update rate.
ITS1
ITS0
Interval Timebase
0
0
1/128 Second
0
1
Seconds
1
0
Minutes
1
1
Hours
3
STI
Single Time Interval Bit.
Set by the user to generate a single interval timeout. If set, a timeout clears the TIEN bit.
Cleared by the user to allow the interval counter to be automatically reloaded and start counting again at each
interval timeout.
2
TII
TIC Interrupt Bit.
Set when the 8-bit interval counter matches the value in the INTVAL SFR.
Cleared by user software.
1
TIEN
Time Interval Enable Bit.
Set by the user to enable the 8-bit time interval counter.
Cleared by the user to disable the interval counter.
0
TCEN Time Clock Enable Bit.
Set by the user to enable the time clock to the time interval counters.
Cleared by the user to disable the clock to the time interval counters and reset the time interval SFRs to the last
value written to them by the user. The time registers (HTHSEC, SEC, MIN, and HOUR) can be written while TCEN
is low.
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