EM91240A
Overview
The EM91240 is a series of tone/pulse switchable dialers that is composed of T/P dialer and T/P dialer with 40-set memories. The EM91240 series provides necessary functions of telephone set for application in any environment, such as Pulse dialing, Tone (DTMF) dialing, Handfree dialing, keying tone , mute and pulse mute functions.
- Tone/Pulse switchable.
- Wide operating voltage from 2.0 V to 5.5 V.
- Low operating current, 0.15 mA (Pulse) and 0.3 mA (Tone) typically.
- Adding resistor on keyboard scan pin that can select many telephone specifications, such as : Pulse rate, M/B ratio, Flash time, Pause time, P-T wait time and keyboard type.
- SDO function supports LCD driver and voice synthesizer to indicate dialing numbers.
- Handfree function provides on-hook dialing and speakerphone application.
- 40-set three touch repertory memory, each one can store data up to 16 digits.
- A 32-digit LNB (last number) redial memory.
- A 32-digit SAVE redial memory.
- Keytone function provides rapidly keying recognition.
