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CSP1027 Fiches technique(PDF) 4 Page - Agere Systems |
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CSP1027 Fiches technique(HTML) 4 Page - Agere Systems |
4 / 64 page CSP1027 Voice Band Codec for Data Sheet Cellular Handset and Modem Applications December 1999 Lucent Technologies Inc. 4 3 Pin Information (continued) Functional descriptions of the pins are found in Section 6 on page 30. Table 1. Pin Descriptions QFP Pin TQFP Pin Symbol Type Name/Function 1, 2, 3 1, 2, 3 RES NC* Reserved. 4 4 SMODE1 I Serial Mode Select 1. 5 5 SMODE0 I Serial Mode Select 0. 6, 7, 8, 9, 10 6, 7, 8, 9, 10, 11 RES NC* Reserved. 11 12 CKO1 O Clock Output 1. 12 13 CLK I Clock Input. 13 14 XLO I Crystal Input. 14 15 XHI O Crystal Output. 15 16 XOSCEN I Crystal Oscillator Enable. 16 17 CKO2 O Clock Output 2. 17 18 VSS P Digital Ground. 18 19 SADD I/O† Serial Address. 19 20 DI I Serial Input Data. 20 21 DO O† Serial Output Data. 21 22 VDD P Digital Power Supply. — 23 RES NC* Reserved. 22 24 SYNC I/O† Serial Input/Output Load Strobe and Synchronization. 23 25 IOCK I‡ Serial Clock. 24, 25, 26, 27, 28 26, 27, 28, 29, 30, 31 RES NC* Reserved. 29 32 RSTB I Reset. 30 33 PORB O Power-On Reset Output. 31 34 PORCAP I§ External Capacitor Connection for Power-On Reset. 32 35 SMODE2 I Serial Mode Select 2. 33 36 EIGS I** External Input Gain Select. — 37 RES NC* Reserved. 34 38 VSSA P Analog Ground. 35 39 VREG A Regulated Output Voltage for Electrect Condenser Microphone. 36 40 VDDA P Analog 5.0 V Power Supply. 37 41 AOUTN A Inverting Analog Output of Output Amplifier. 38 42 RES NC* Reserved. 39 43 AOUTP A Noninverting Analog Output of Output Amplifier. 40 44 VSSA P Analog Ground. 41 45 MICIN A Analog Input for Microphone. 42 46 REFC A External Capacitor Connection for Internal Voltage Regulator. 43 47 AUXIN A Analog Input from Auxiliary. 44 48 VDDA P Analog 5.0 V Power Supply. * Indicates no connection. † Indicates 3-state output. ‡ Indicates pull-up device on input. § Indicates pull-up resistor on input. ** Indicates pull-down device on input. |
Numéro de pièce similaire - CSP1027 |
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Description similaire - CSP1027 |
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