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STEVAL-MKI109D Datasheet(PDF) 9 Page - STMicroelectronics |
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STEVAL-MKI109D Datasheet(HTML) 9 Page - STMicroelectronics |
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9 / 14 page ![]() Figure 8. STEVAL-MKI109D circuit schematic (8 of 11) Power Supply: GND GND GND 3.3V GND Vin 100nF C59 100nF C85 1uF C4 Vin GND GND 100nF C61 1uF C60 VDD_3.3V GND V_USB 100k R25 5V_to_Ext LDK220M33R Vin 1 EN 3 ByPass/Adj 4 Vout 5 GND U25 GND 100nF C10 GND SD_Runs SD_Power_ON GND 10uF C5 GND WiFi_5.0V SD_3.3V 10uF C9 GND GND 1 2 J4 Vin 6 GND 2 EN 1 PG 3 Vout 4 ADJ 5 LD39050PU33R U12 4k7 Rc1 LDK220M36R Vin 1 EN 3 ByPass/Adj 4 Vout 5 GND U14 GND GND MUX_3.6V GND MUX_Power_ON 1uF C1 1uF C2 WiFi_5V0 SD_3V3 Vin Vin 3.3V SW1 GND 10k R109 BT1 WiFi_Runs GND 47uF C3 GND 3V6_out BT1-1 BT1-2 Vin 100k Ri7 GND 100k R1 GND GND GND Vin Vin 5Vout Vext_sense GND GND Current Limit 500mA GND GND 1uF C90 IN 1 IN 2 /ON 3 GND 4 SET 5 OUT 6 OUT 7 /FAULT 8 EPAD 9 ST890DTR U26 2k7 R54 GND 2k2 R13 4k7 R12 100nF C91 1 PDTC115EE T16 2k2 R123 3.3V 3.3V D7 D6 D11 D5 D9 D8 D10 6k8 R119 6k8 R19 10k R83 Tp3 Tp4 47k R61 15k R22 GND Not Mount Not Mount 24k R68 12k R111 GND Not Mount Not Mount Power Supply: - VDD_3.3V ... Power supply for micro - Vin ... 5V for Idd meas. analog circuits & VDD_DUT/ VDDIO_DUT |
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