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PCF5083H/001/F2 数据表(PDF) 7 Page - NXP Semiconductors |
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PCF5083H/001/F2 数据表(HTML) 7 Page - NXP Semiconductors |
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7 / 136 page ![]() 1996 Oct 29 7 Philips Semiconductors Objective specification GSM signal processing IC PCF5083 6.2 Pinning description SYMBOL PIN I/O DESCRIPTION TCE 1 I Test Clock Enable (active HIGH); tied to VSS during normal operation. PIO1 to PIO5 2 to 6 I/O General purpose parallel port (3-state output). BEN 7 O Baseband Port Enable (active HIGH, 3-state). TXON 8 O Modulator window enable (active HIGH, 3-state). RXON 9 O Receiver window enable (active HIGH, 3-state). VSS1 10 Ground I/O pin. VDD1 11 Supply I/O pin. PDRX1 12 O Receiver Power-down 1 (active HIGH, 3-state). PDRX2 13 O Receiver Power-down 2 (active HIGH, 3-state). PDTX1 14 O Transmitter Power-down 1 (active HIGH, 3-state). NPDTX1 15 O Inverted output of PDTX1 (active LOW, 3-state). VDD2 16 Supply core. VSS2 17 Ground core. NPDTX2 18 O Transmitter Power-down 2 (active LOW, 3-state). PDBIAS 19 O Transmitter power supply Power-down (active HIGH, 3-state). NPDBIAS 20 O Inverted output of PDBIAS (active LOW, 3-state). PDSYN 21 O Synthesizer Power-down (active HIGH, 3-state). TXKEY1 22 O Power ramping control (active HIGH, 3-state). TXKEY2 23 O Power module control (active HIGH, 3-state). DSPEN 24 I DSP Test Mode Enable (active HIGH). PCF5083-2B includes an internal pull-down resistor. PCF5083-2C does not include an internal pull-down resistor. TIMEN 25 I Timer Test Mode Enable (active HIGH). PCF5083-2B includes an internal pull-down resistor. PCF5083-2C does not include an internal pull-down resistor. RSTC 26 I Asynchronous Reset - real time clock (active LOW, CMOS level Schmitt trigger input). RSTO 27 I Asynchronous Reset - ON/OFF logic (active LOW, CMOS level Schmitt trigger input). VDD1 28 Supply I/O pin. CLK32O 29 O 32.768 kHz crystal oscillator output. CLK32I 30 I 32.768 kHz crystal oscillator input. VSS1 31 Ground I/O pin. ONKEY 32 I ON/OFF Key input (active HIGH, CMOS level Schmitt trigger input with internal pull-down resistor). |
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