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L3924A |
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| Part Number | L3924A |
| Manufacturer | STMicroelectronics (https://www.st.com/) |
| Description | The device consists of the speech and the dialer. It provides the DC line interface circuit that terminates the telephone line, analog amplifier for speech transmission and necessary signals for eithe... |
| Features |
provided by the PABX or central office. The PAUSE key stores a timed pause in the number sequence. Redial is then delayed until an outside line can be accessed or some other activity occurs before normal signaling resumes. A LND key input automatically redials the last number dialed. The HOLD key allows the user to suspend the conversation and resume the call on either the same phone by pressing the HOLD key again or resume the conversation at a parallel phone. FUNCTION PIN DESCRIPTION C1, C2, C3, C4, R5, R4, R3, R2, R1 Keyboards inputs. Pins 1, 2, 3, 4, 24, 25, 26, 27, 28. The one chip phone ... |
| Document |
 L3924A Data Sheet
PDF 214.61KB |
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Desde 2024. D4U Semiconductor.
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