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W91320ALN Datasheet(PDF) 4 Page - Winbond |
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W91320ALN Datasheet(HTML) 4 Page - Winbond |
4 / 19 page W91320N SERIES - 4 - Pin Description, continued SYMBOL 18-PIN 20-PIN 22-PIN I/O FUNCTION DP / C5 11 13 (12, W91320LN only) 14 O N-channel open drain dialing pulse output. Flash key will cause DP to be active in either tone mode or pulse mode. The timing diagram for pulse mode is shown in Figure 1(a, b, c, d). VDD, VSS 14, 6 16, 6 (16, 7 W91320LN only) 18, 7 I Power input pins. H/P MUTE 5 5 (6, W91320LN only) 6 O The H/P MUTE is a conventional inverter output. During pulse dialing, flash break, one-key redial break, and hold period, this output is active high; otherwise, it remains in low state. NC - 15 (W91320LN only) 17 - No connection. DTMF 12 14 (13, W91320LN only) 15 O In pulse mode, this pin remains in low state at all time. In the tone mode, it will output a dual or single tone. Detailed timing diagram for tone mode is shown in Figure 2(a, b, c, d). Specified Actual Error % Output Frequency R1 R2 R3 R4 C1 C2 C3 697 770 852 941 1209 1336 1477 699 766 848 948 1216 1332 1472 +0.28 -0.52 -0.47 +0.74 +0.57 -0.30 -0.34 |
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