EM91865A EMC [ELAN Microelectronics Corp], EM91865A Datasheet
EM91865A
Related parts for EM91865A
EM91865A Summary of contents
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GENERAL DESCRIPTION The EM91865 are 13 memory tone/pulse switchable dialer with Last Number Redail (LNB) anD SAVE function, Which are fabricate in CMOS technology with wide operating voltage for both tone and pulse mode. EM91865 consumes very low memory retention ...
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... PIN ASSIGNMENTS EM91865A K7 K6/XMUTE K5 K4/MUTEO XIN XOUT VSS VAO PIN DESCRIPTIONS Symbol Key board scan I/O pins, key scans by ripple way. I/O pin These pins output 16K Hz signal one by one and periodically for key board scan. K1/HDO This pin has two functions Normally this pin will be a Key board scan pins function same as K1~K8. In Hold condition this pin will stay in " ...
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Key Assignment : SAVE */ EM1 EM2 HDO R_option KEYBOARD DESCRIPTION : Key 0~ F1, F2, F3 */T RD ...
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FUNCTION DESCRIPTIONS Dialer Option selection The EM91865 incorporated a special keyboard scanning function that is connecting a resistor ( typically is 560 keyboard scan pin to select many telephone specifications. The specifications are described as follow : ...
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Auto Insert Pause Time Function EM91865 Provides a new function - Auto Insert Pause Time function - for PABX system user. In PABX system, we usually use a special number to identify the phone want dial out or just a ...
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One Touch memory : The EM91865 incorporated 13 sets one touch memory each one can store numbers digits. In memory storing, if stored numbers are more than 16 digits that only the previous 16 digits can be ...
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Tpt, k1, k2, .....,kn. (Tpt are the Pulse to Tone pause time) (pulse mode) (tone mode) Flash(F=F1,F2,F3) key operation The Flash key is designed to break telephone line temporarily. After key is depressed, this dialer will send a ...
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OPERATING FLOW CHART (4) On_Hook HF state (6) On_Hook HD <Note> : HF=Handfree Truth Table : Operating state (1)On-hook, idle state (2)Off-hook line (3)Off-hook, HF line (4)On-hook, HF line (5)Off-hook, HD line (6)On-hook, HD line Note : ...
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ABSOLUTE MAXIMUM RATINGS Items Power supply voltage Input voltage range Operating temperature Storage temperature Power consumption RECOMMENDED OPERATING CONDITIONS 1. Supply voltage range from 5 fc=3.58 MHz 2. Operation frequency: 3.58 MHz crystal. D.C. ELECTRICAL ...
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DTMF CHARACTERISTICS Symbol Twist DC level Dist Ac level Sink current Load resistor Minimum tone duration Minimum intertone pause ACTUAL FREQUENCY OUTPUT Standard ( 697 F2 770 F3 852 F4 941 F5 1209 F6 1336 F7 1477 ELECTRICAL ...
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TIMING DIAGRAM HKS KEY Tdb XMUTE Tpm DTMF PO XOUT HKS KEY Tdb XMUTE Tpm PO tB DTMF XOUT * This specification are subject to be changed without notice. 13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL ...
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KEY XMUTE DTMF PO XOUT KEY XMUTE PO XOUT Tone mode 1 KEY XMUTE DTMF PO XOUT * This specification are subject to be changed without notice. 13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION ...
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HKS KEY DTMF XOUT Dialing 057797 so LNB=057797 and Taip timng will be store Then Redial will auto insert Taip timing between RD number 0 and 5 HKS RD KEY DTMF XOUT Figure 6. Auto Insert Time operating Timing HKS ...
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HKS RD KEY XMUTE DTMF XOUT Figure 8. Redial operating Timing ( Tone Mode ) HKS 1 KEY XMUTE PO XOUT Figure 9. One key Redial operating Timing ( Pulse Mode ) HKS 1 KEY XMUTE PO DTMF XOUT Figure ...
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Tdb HFI HFO 1 KEY XMUTE PO XOUT Figure 11. Handfree Mode One key Redial operating Timing ( Pulse Mode ) Tdb HFI HFO 1 KEY XMUTE DTMF PO XOUT Figure 12. Handfree Mode One key Redial operating Timing ( ...
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HKS Tdb HFI HFO HF KEY K1/HDO XMUTE/K6 K2~K8 XOUT Figure 13. Handfree and Hold operating Timing HKS 1 KEY MuteO/K4 XMUTE DTMF XOUT * This specification are subject to be changed without notice. 13 MEMORY TONE/PULSE DIALER WITH HF, ...
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K1 Tsw HKS KEY Tsp K1 Tsw Figure 16. Hold active Key board scan Timing * This specification are subject to be changed without notice. 13 MEMORY TONE/PULSE DIALER WITH ...
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K1 Tsw Figure 17. Mute active Key board scan Timing K1 Tsw Figure 18. XMUTE active key board scan Timing * This specification are subject to ...
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APPLICATION CIRCUIT : CONTROL CIRCUIT * This specification are subject to be changed without notice. 13 MEMORY TONE/PULSE DIALER WITH HF, HD, REDIAL AND VOLUME CONTROL FUNCTION EM91865 19 4.28.1999 ...
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APPLICATION CIRCUIT : KEYBOARD AND R_OPTION SAVE */ EM1 EM2 This specification are subject to be changed without notice. 13 ...