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MSM6896 数据表(PDF) 1 Page - OKI electronic componets |
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MSM6896 数据表(HTML) 1 Page - OKI electronic componets |
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1 / 43 page  ¡ Semiconductor MSM6895/6896 1/43 ¡ Semiconductor MSM6895/6896 Multi-Function PCM CODEC GENERAL DESCRIPTION The MSM6895/MSM6896, developed especially for low-power and multi-function applications in ISDN telephone terminals, are single +5 V power supply CODEC LSI devices. The devices consist of the analog speech paths directly connectable to a handset, the calling circuit directly connectable to a piezosounder, the push-button key scanning interface between push buttons and control processors, the dial tone generator, the B-channel interface, the CODEC, and the processor interface. The functions can be controlled via the 8-bit data bus. FEATURES • Single +5 V Power Supply • Low Power Dissipation Power ON Mode : 20 mW Typ. 53 mW Max. CODEC Power Down Mode : 10 mW Typ. 21 mW Max. • In compliance with ITU-T’s companding law m-law : MSM6895 A-law : MSM6896 • Transmission clocks Continuous CLK : 64, 128, 256 kHz Burst CLK : 192, 384, 768, 1536, 2048 kHz • Built-in PLL • Built-in Reference Voltage Supply • Ringing Tone : Controlled by processor, 9 modes • Ringing Tone Combination : Controlled by processor, 6 modes • Information Tone : Controlled by processor, 9 modes • Built-in PB Tone Generator • B-Channel Selectable • General Latch Output for Speech path Control : 4 bits • Watchdog Timer : 500 ms • Key Scanning I/O Output : 5 bits Input : 8 bits • Direct Connection to Handset • Built-in Preamplifier for Loudspeaker • Handfree Interface • Digital and Analog Interface for the phone-conference speech paths • Package: 80-pin plastic QFP (QFP80-P-1420-0.80-BK) (Product name : MSM6895GS-BK) (Product name : MSM6896GS-BK) E2U0022-28-81 This version: Aug. 1998 Previous version: Nov. 1996 |
类似零件编号 - MSM6896 |
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类似说明 - MSM6896 |
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