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Documentation Number PCRTC2095 Manual

Cover Page

B&B Electronics -- PO Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

Stable Real Time Clock for PCs

Model PCRTC

Documentation Number PCRTC2095

This product

Designed and Manufactured

In Ottawa, Illinois

USA

of domestic and imported parts by

B&B Electronics Mfg. Co. Inc.

707 Dayton Road -- P.O. Box 1040 -- Ottawa, IL 61350

PH (815) 433-5100 -- FAX (815) 433-5105

Internet:

http://www.bb-elec.com

[email protected]



B&B Electronics March 1995

Not Recommended for New Installations.

Please contact Technical Support for more information.

Содержание PCRTC

Страница 1: ...C2095 This product Designed and Manufactured In Ottawa Illinois USA of domestic and imported parts by B B Electronics Mfg Co Inc 707 Dayton Road P O Box 1040 Ottawa IL 61350 PH 815 433 5100 FAX 815 43...

Страница 2: ...HARDWARE SETUP 2 TABLE 1 ADDRESS SWITCH SETTINGS 2 HARDWARE INSTALLATION 3 SOFTWARE SETUP 3 CHAPTER 3 OPERATION 4 OVERVIEW 4 USING THE DEVICE DRIVER 4 COMMAND LINE OPTIONS 5 SETTING THE PCRTC TIME AND...

Страница 3: ...reset Packing List Examine the shipping carton and contents for physical damage The following items should be in the shipping carton 1 PCRTC unit 2 One PCRTC 3 5 disk 3 This instruction manual If any...

Страница 4: ...factory set for 200h If you need to change this address select one from the table which will not conflict with another device in the host computer If the PCRTC does not operate properly select a new a...

Страница 5: ...n Chapter 3 of this manual or by the device driver If you are using the device driver it will automatically initialize the PCRTC when it loads Upon initialization a warning will appear stating that th...

Страница 6: ...take action on a low battery before the time is corrupted The second function is the time of last power loss or reset By checking this function the time of the last host computer power loss or system...

Страница 7: ...CRTC c address Display PCRTC and DOS clock PCRTC u address Set PCRTC date time to DOS date time PCRTC n address Set DOS date time to PCRTC date time PCRTC h address Increment hours 1 for Daylight Savi...

Страница 8: ...time to be updated to within 0 1 seconds of the atomic clock selected The small discrepancy in time is dependent on the speed of the host computer and background activities on the host computer Replac...

Страница 9: ...RTC_API address WORD WORD BASIC FUNCTION StartRTCAPI BYVAL address AS INTEGER Remarks Start_RTC_API takes the address at which the PCRTC is installed at The device driver must be installed Returns 0 d...

Страница 10: ..._T far gt Pascal TYPE GetTime_T RECORD hours WORD min WORD seconds WORD h_seconds WORD END TYPE GetTime_Ptr GetTime_T FUNCTION Get_RTC_Time time GetTime_Ptr WORD BASIC TYPE GetTimeT hours AS INTEGER m...

Страница 11: ...ve_T far ts Pascal TYPE TimeSave_T RECORD month WORD day WORD hour WORD minute WORD second WORD END TYPE TimeSave_Ptr TimeSave_T FUNCTION Last_Power_Down_RTC timeSave TimeSave_Ptr WORD BASIC TYPE Time...

Страница 12: ...imeS day PRINT at timeS hour timeS minute timeS second END IF IF BatteryRTC THEN Check Battery Status PRINT Battery Status GOOD ELSE PRINT Battery Status LOW END IF ELSE PRINT Device Driver PCRTCDD SY...

Страница 13: ...gned int address cprintf Demo PCRTC c v1 00 c Copyright 1994 B B Electronics Mfg Co r n r n address Start_RTC_API 0 if address if Get_RTC_Time time cprintf RTC time u u u u r n time hours time min tim...

Страница 14: ...dependent on the quality of the oscillator circuit There are three sources of error in the oscillator and understanding them will allow you to estimate the precision of the PCRTC in your application...

Страница 15: ...he coldweld manufacturing technique which exhibits the lowest aging characteristic of 1 ppm year In practice this aging rate improves significantly with time but for practical purposes the value of 1...

Страница 16: ...ontroller 8259A 040 043 timer 8253 060 063 PPI 8255A 080 083 DMA page register 74LS612 0A0 0AF NMI non maskable interrupt 200 20F game port joystick controller 210 217 expansion unit 2E8 2EF COM4 seri...

Страница 17: ...ller 2 8237A 0F0 0FF 80287 math coprocessor 1F0 1F8 hard disk 200 20F game port joystick controller 258 25F Intel Above Board 278 27F parallel printer port 2 2E8 2EF COM4 serial port 2F8 2FF COM2 seri...

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