Using The Red Led & 7-Seg Led Display; Using The Rtc & Nvsram - ICP DAS USA 7188XA Series User Manual

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2.7 Using Red LED & 7-SEG LED Display
The red LED of the 7188X/7521 series can be turned-ON or turned-OFF
by its software program. The 5 digits of the seven-segment LED are also
programmable. The 5-digit LED is very useful in real world applications. It
can be used to replace the monitor & touch-screen for many applications.
2.8 Using RTC & NVSRAM
The RTC & NVSRAM are located on the same chip. There is a Li-battery
to backup the RTC & NVSRAM for 10 years. The features of the RTC are
given as follows:
• MiniOS7 supports RTC time & date
• Seconds, minutes, hours, date of the month
• Month, day of week, year, Leap year valid up to 2079
NVSRAM: 31 bytes, data valid for 10 years
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Note1: only 7188XA & 7188XB support RTC & NVRAM.
Note2: the 7188XC & 7521 series can add a RTC/NVRAM for the
OEM/ODM user.
7188XA/B/C & 7521/2/2A/3/4/7 Series Hardware User' s Manual, Ver. 2.0 Sep/2002, 7Mh-001-20 -----
+7(495)109-02-08 sales@bbrc.ru www.bbrc.ru
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