Tone/Pulse Dialer

[Novatek] General Description The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used t

Tone/pulse dialer

Tone/Pulse Dialer

[Novatek] General Description The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used t

Tone/Pulse Dialer

[Novatek] General Description The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used t

Tone/Pulse Dialer

[Novatek] General Description The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used t

Tone/Pulse Dialer

[Novatek] General Description The NT91214/15 is a single-chip, silicon gate, CMOS integrated circuit with an on-chip oscillator for a 3.58MHz crystal or ceramic resonator. It provides a dialing pulse (DP) or dual tone multi-frequency (DTMF) dialing. A standard 4 x 4 matrix keyboard can be used t

Tone/pulse dialer

Visual Workplace Marking

文件：320.39 Kbytes Page：1 Pages

store and redial last number

文件：550.16 Kbytes Page：14 Pages

Tone/Pulse Dialer with Flash Function

文件：1.00831 Mbytes Page：11 Pages

Tone/Pulse Dialer with Flash Function

文件：1.00831 Mbytes Page：11 Pages

store and redial last number

文件：550.16 Kbytes Page：14 Pages