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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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RK818 датащи(PDF) 13 Page - Rockchip Electronics Co., Ltd |
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RK818 датащи(HTML) 13 Page - Rockchip Electronics Co., Ltd |
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13 / 93 page  RK818 Datasheet Rev 1.0 Copyright ©2017 Fuzhou Rockchip Electronics Co., Ltd. 13 2.5 Pinout Number Order Pin No Pin Name Pin Description 1 INT Interrupt request pin. Active low. 2 SLEEP Input pin for switching state between sleep and non-sleep state. 3 H_5V 5v supply output for HDMI 4 GND5 Power ground 5 SW5 Switch output 6,7 BOOST BOOST output 8,9 USB Power input from USB 10 MIDU Middle point of USB power supply 11,12 SW6 Switch output 13 GND6 Power ground 14 VLDO1 LDO1 output 15 VCC6 Power supply for LDO 16 VLDO2 LDO2 output 17 XIN 32.768KHz crystal oscillator input 18 XOUT 32.768KHz crystal oscillator output 19 BOOT0 Boot sequence selection, low bit 20 BOOT1 Boot sequence selection, high bit 21 PWRON Power on or power off enable pin, active low, internal 100K pull high to power supply 22 VCC3 Power supply for DCDC3 23 SW3 Switch output of DCDC3 24 GND3 Power ground for DCDC3 25 VFB3 feedback voltage for DCDC3 26 VFB2 DCDC2 output voltage feedback input 27 GND2 Power ground for DCDC2 28,29 SW2 Switch output of DCDC2 30 VCC2 Power supply for DCDC2 31 CLK32K1 32.768K clock1 output, open drain, 32 CLK32K2 32.768K clock2 output, open drain, 33 VDDIO Power supply for IO 34 NRESPWON Reset pin after power on, active low 35 SCL Clock input of I2C 36 SDA Data input/output of I2C 37 VPP Power supply for testing, floating in the application 38 VFB1 DCDC1 output voltage feedback input 39 VCC1 Power supply for DCDC1 40,41 SW1 Switch output of DCDC1 42,43 GND1 Power ground for DCDC1 44 VLDO7 LDO7 output 45 VCC7 Power supply for LDO 46 VLDO5 LDO5 output 47 VLDO3 LDO3 output 48 VLDO4 LDO4 output 49 VLDO6 LDO6 output 50 VCC8 Power supply for switch 51 VLDO8 LDO8 output 52 VLDO9 LDO9 output 53 VCC9 Power supply for LDO 54 VSWOUT Switch output 55 VREF Internal reference voltage 56 REFGND Reference ground |
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