参数资料
型号: EVAL-ADUC842QS
厂商: Analog Devices Inc
文件页数: 51/88页
文件大小: 0K
描述: KIT DEV FOR ADUC842 QUICK START
标准包装: 1
系列: QuickStart™ 套件
类型: MCU
适用于相关产品: ADuC842
所含物品: 评估板、电源、缆线、软件和说明文档
产品目录页面: 739 (CN2011-ZH PDF)
ADuC841/ADuC842/ADuC843
Rev. 0 | Page 55 of 88
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
1/128 Second
0
1
Seconds
1
0
Minutes
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.
TIMECON
TIC Control Register
SFR Address
A1H
Power-On Default
00H
Bit Addressable
No
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