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SST12CP21 数据表(PDF) 4 Page - Microchip Technology |
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SST12CP21 数据表(HTML) 4 Page - Microchip Technology |
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4 / 17 page ![]() SST12CP21 DS70005165A-page 4 Preliminary 2014 Microchip Technology Inc. 3.0 PIN ASSIGNMENTS FIGURE 3-1: PIN ASSIGNMENTS FOR 16-CONTACT UQFN 4.0 PIN DESCRIPTIONS 56 8 16 15 14 9 11 12 10 13 NC RFOUT/VCC3 RFOUT/VCC3 NC 2 1 4 3 RFIN VREF NC VCCb 7 70005165 P1.0 Top View (contacts facing down) RF and DC GND 0 TABLE 4-1: PIN DESCRIPTION Symbol Pin No. Pin Name Type1 1. I=Input, O=Output Function GND 0 Ground The center pad should be connected to RF ground RFIN 1 RFIN I RF input, DC decoupled VREF 2 VREF PWR PA enable and idle-current control NC 3 No Connection No Internal Connection VCCb 4 Power Supply PWR Supply voltage for bias circuit NC 5 No Connection No Internal Connection NC 6 No Connection No Internal Connection VDET 7 VDET O On-chip power detector NC 8 No Connection No Internal Connection NC 9 No Connection No Internal Connection RFOUT 10 RFOUT O RF output RFOUT 11 RFOUT O RF output NC 12 No Connection No Internal Connection VCC2 13 VCC2 PWR PWR power supply, 2nd stage NC 14 NC No Internal Connection VCC1 15 VCC1‘ PWR PWR power supply, 1st stage NC 16 No Connection No Internal Connection |
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