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ZL38002DGB1 Datasheet(PDF) 3 Page - Zarlink Semiconductor Inc |
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ZL38002DGB1 Datasheet(HTML) 3 Page - Zarlink Semiconductor Inc |
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3 / 47 page  ZL38002 Data Sheet 3 Zarlink Semiconductor Inc. Pin Description QSOP Pin # TQFP Pin # Name Description 143 ENA1 SSI Enable Strobe/ST-BUS & GCI Mode for Rin/Sout (Input). This pin has dual functions depending on whether SSI or ST-BUS/GCI is selected. For SSI, this strobe must be present for frame synchronization. This is an active high channel enable strobe, 8 or 16 data bits wide, enabling serial PCM data transfer for on Rin/Sout pins. Strobe period is 125 ms. For ST- BUS or GCI, this pin, in conjunction with the MD1 pin, selects the proper mode for Rin/Sout pins (see ST-BUS and GCI Operation description). 245 MD1 ST-BUS & GCI Mode for Rin/Sout (Input). When in ST-BUS or GCI operation, this pin, in conjunction with the ENA1 pin, will select the proper mode for Rin/Sout pins (see ST-BUS and GCI Operation description). Connect this pin to Vss in SSI mode. 346 ENA2 SSI Enable Strobe /ST-BUS & GCI Mode for Sin/Rout (Input). This pin has dual functions depending on whether SSI or ST-BUS/GCI is selected. For SSI, this is an active high channel enable strobe, 8 or 16 data bits wide, enabling serial PCM data transfer on Sin/Rout pins. Strobe period is 125 ms. For ST-BUS/GCI, this pin, in conjunction with the MD2 pin, selects the proper mode for Sin/Rout pins (see ST-BUS and GCI Operation description). 447 MD2 ST-BUS & GCI Mode for Sin/Rout (Input). When in ST-BUS or GCI operation, this pin in conjunction with the ENA2 pin, selects the proper mode for Sin/Rout pins (see ST-BUS and GCI Operation description). Connect this pin to Vss in SSI mode. 548 Rin Receive PCM Signal Input (Input). 128 kbps to 4096 kbps serial PCM input stream. Data may be in either companded or 2’s complement linear format. This is the Receive Input channel from the line (or network) side. Data bits are clocked in following SSI, GCI or ST-BUS timing requirements. 62 Sin Send PCM Signal Input (Input). 128 kbps to 4096 kbps serial PCM input stream. Data may be in either companded or 2’s complement linear format. This is the Send Input channel (from the microphone). Data bits are clocked in following SSI, GCI or ST-BUS timing requirements. 73 IC Internal Connection (Input). Must be tied to Vss. 85 MCLK Master Clock (Input). Nominal 20 MHz Master Clock input (can be asynchronous relative to 8 KHz frame signal.) Tie together with MCLK2. 9,10,11 6, 7, 8 IC Internal Connection (Input). Must be tied to Vss. 12 9 LAW A/ µ Law Select (Input). When low, selects µ−Law companded PCM. When high, selects A-Law companded PCM. This control is for both serial pcm ports. 13 11 FORMAT ITU-T/Sign Mag (Input). When low, selects sign-magnitude PCM code. When high, selects ITU-T (G.711) PCM code. This control is for both serial pcm ports. 14 13 RESET Reset / Power-down (Input). An active low resets the device and puts the ZL38002 into a low-power stand-by mode. 17 16 SCLK Serial Port Synchronous Clock (Input). Data clock for the serial microport interface. |
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