RK806-1 Pin Function Grouping
Source: Rockchip RK806 datasheet V1.4 pin description table. Each package pin is listed exactly once in the grouping below; duplicate-name package pins such as VCC1/VCC2/SW1/SW2 are listed by pin number so the physical pins remain distinct.
Ground / Thermal
Buck regulator input supplies
- Pin 1 VCC9: Power supply of buck9
- Pin 7 VCC8: Power supply of buck8
- Pin 22 VCC4: Power supply of buck4
- Pin 27 VCC10: Power supply of buck10
- Pin 28 VCC6: Power supply of buck6
- Pin 33 VCC2: Power supply of buck2
- Pin 34 VCC2: Power supply of buck2
- Pin 43 VCC7: Power supply of buck7
- Pin 44 VCC5: Power supply of buck5
- Pin 52 VCC1: Power supply of buck1
- Pin 53 VCC1: Power supply of buck1
- Pin 54 VCC3: Power supply of buck3
Buck switching nodes
- Pin 6 SW8: Switching node of buck8
- Pin 23 SW4: Switching node of buck4
- Pin 26 SW10: Switching node of buck10
- Pin 29 SW6: Switching node of buck6
- Pin 35 SW2: Switching node of buck2
- Pin 36 SW2: Switching node of buck2
- Pin 42 SW7: Switching node of buck7
- Pin 45 SW5: Switching node of buck5
- Pin 50 SW1: Switching node of buck1
- Pin 51 SW1: Switching node of buck1
- Pin 55 SW3: Switching node of buck3
- Pin 68 SW9: Switching node of buck9
Buck feedback / output sense pins
- Pin 5 VOUT8: Output feedback voltage of buck8
- Pin 24 VOUT4: Output feedback voltage of buck4
- Pin 25 VOUT10: Output feedback voltage of buck10
- Pin 30 VOUT6: Output feedback voltage of buck6
- Pin 31 FB6: Extended divided resistor mode feedback voltage of buck6
- Pin 37 VOUT2: Output feedback voltage of buck2
- Pin 38 FB2: External divided resistor mode feedback voltage of buck2
- Pin 41 VOUT7: Output feedback voltage of buck7
- Pin 46 VOUT5: Output feedback voltage of buck5
- Pin 47 FB5: External divided resistor mode feedback voltage of buck5
- Pin 48 FB1: External divided resistor mode feedback voltage of buck1
- Pin 49 VOUT1: Output feedback voltage of buck1
- Pin 56 VOUT3: Output feedback voltage of buck3
- Pin 66 FB9: External divided resistor mode feedback voltage of buck9
- Pin 67 VOUT9: Output feedback voltage of buck9
LDO output pins
- Pin 8 NLDO5: NMOS LDO5 output
- Pin 10 NLDO4: NMOS LDO4 output
- Pin 11 NLDO3: NMOS LDO3 output
- Pin 12 NLDO2: NMOS LDO2 output
- Pin 14 NLDO1: NMOS LDO1 output
- Pin 57 PLDO3: PMOS LDO3 output
- Pin 58 PLDO2: PMOS LDO2 output
- Pin 60 PLDO1: PMOS LDO1 output
- Pin 63 PLDO4: PMOS LDO4 output
- Pin 65 PLDO5: PMOS LDO5 output
LDO / analog / interface supplies
- Pin 9 VCC14: Power supply of NLDO4/5
- Pin 13 VCC13: Power supply of NLDO1/2/3
- Pin 20 VCCIO: Output for I2C/SPI
- Pin 21 VCCA: Analog power supply; supply of PLDO6/RESETB/INT and system logic
- Pin 59 VCC11: Power supply of PLDO1/2/3
- Pin 64 VCC12: Power supply of PLDO4/5
Communication interface pins
- Pin 15 MOSI/SDA: SPI MOSI / I2C SDA
- Pin 16 MISO/PWRCRTL3: SPI MISO / PWRCRTL3 control
- Pin 17 CLK/SCL: SPI CLK / I2C SCL
- Pin 18 CS: Select SPI/I2C mode at power-on; SPI chip-select in SPI mode
Control, reset, interrupt, and enable pins
- Pin 4 PWRON: Power-on key; internal pull-up about 45 kΩ to VCCA
- Pin 19 INT: Interrupt
- Pin 32 VDC: VDC power-on signal
- Pin 39 EXT_EN: Control extended DCDC enable; master/slave select
- Pin 40 RESETB: Reset AP; equivalent capacitance to GND must not exceed 0.3 µF
- Pin 61 PWRCRTL2: PWRCRTL2 control
- Pin 62 PWRCRTL1: PWRCRTL1 control
Synchronization / clock pins
- Pin 2 SYNC: Master/slave synchronization signal
- Pin 3 SYNC_CLK: 32 kHz synchronization clock