ArmSoM-p2 pro

Introduction

ArmSoM-p2pro_Overview[RK3308B-S]

ArmSoM-p2pro_Front[RK3308B-S]

ArmSoM-p2pro_Back[RK3308B-S]

ArmSoM-p2pro is a Rockchip RK3308B-S based SBC(Single Board Computer) by ArmSoM community. It equips a 64bits Quad-core ARM Cortex-A35 processor, USB, ethernet, Bluetooth, wireless connectivity and voice detection engine ,and has a wealth of audio interfaces (such as MIC/PDM/SPDIF/I2S), make it perfect for IoT and voice applications. ArmSoM-p2pro comes in one RAM sizes 512MB DDR3, and uses eMMC or SD card for OS and storage.

Key Features

SOC: Rockchip RK3308B-S

CPU: Quad-core ARM Cortex-A35@1.3GHz

RAM: 256MB/512MB DDR3

Flash: 8GB eMMC

WiFi&Bluetooth: 802.11 a/b/g/n/ac & BT5.0 (AP6256)

Audio: Supports various audio interfaces,such as MIC/PDM/SPDIF/I2S

Getting Start

Getting Started with ArmSoM-p2 pro

Hardware

Hardware interfaces

Hardware spec

Model	ArmSoM-p2 pro
SOC	RockChip RK3308B-S
CPU	Quad-core ARM Cortex-A35@1.3GHz
RAM	256MB/512MB, DDR3
FLash	8GB, eMMC
microSD card Slot	1x Slot. It supports system booting or is used to hold a storage card
Network	1x 100Mbit/s Ethernet （supports PoE）
USB	1x USB 2.0 1x USB Type-C
Audio in	8x MIC(40PIN Header) 1x PDM/I2S(40PIN Header)
Audio out	2x Line out(40PIN Header) 1x SPDIF out(40PIN Header) 1x Audio Jack
WiFi&Bluetooth	802.11 a/b/g/n/ac & BT5.0 (AP6256)
Others	1x SPI/UART(12PIN Header) 1x I2S(40PIN Header;8channel,SDI=4CH,SDO=4CH) 1x I2C(12PIN Header) 1x UART(12PIN Header) 2x PWM(12PIN Header) 1x ADC(40PIN Header)
Button	1x Reset Button 1x Recovery Button
LED	1x LED(Power led & Status led)
Power Supply	USB Type-C(5V/2A） support 5V PoE
Operating Systems	Debian11,Buildroot
Size	65mm x 52.5mm
Weight	30g
Operating temperature	0℃ ~ 70℃
Storage temperature	-20℃ ~ 80℃

GPIO PIN define

40 PIN GPIO

GPIO Number	Function2	Function1	default	Pin#	Pin#	default	Function1	Function2	GPIO Number
			VCC_IO	1	2	VCC5V0_SYS
			ADC_KEY_IN1	3	4	VCC5V0_SYS
69		GPIO2_A5	I2S0_SCLK_TX	5	6	SPDIF_TX	GPIO0_C1		17
70	I2S0_SCLK_RX	GPIO2_A6	PDM_CLK	7	8	I2S0_LRCK_TX	GPIO2_A7		71
68	I2S0_8CH_MCLK	GPIO2_A4	I2S0_MCLK	9	10	I2S0_LRCK_RX	GPIO2_B0		72
73		GPIO2_B1	I2S0_SDO0	11	12	PDM_SDI0	GPIO2_B5	I2S0_SDI0	77
74		GPIO2_B2	I2S0_SDO1	13	14	PDM_SDI1	GPIO2_B6	I2S0_SDI1	78
75		GPIO2_B3	I2S0_SDO2	15	16	PDM_SDI2	GPIO2_B7	I2S0_SDI2	79
76		GPIO2_B4	I2S0_SDO3	17	18	PDM_SDI3	GPIO2_C0	I2S0_SDI3	80
			GND	19	20	GND
			LINEOUT_L	21	22	LINEOUT_R
			MICBIAS1	23	24	MICBIAS2
			MICP1	25	26	MICN1
			MICP2	27	28	MICN2
			MICP3	29	30	MICN3
			MICP4	31	32	MICN4
			MICP5	33	34	MICN5
			MICP6	35	36	MICN6
			MICP7	37	38	MICN7
			MICP8	39	40	MICN8

12 PIN GPIO

GPIO Number	Function3	Function2	Function1	default	Pin#	Pin#	default	Function1	Function2	GPIO Number
65		UART0_TX	GPIO2_A1	SPI0_TX	1	2	I2C1_SDA	GPIO0_B3		11
64		UART0_RX	GPIO2_A0	SPI0_RX	3	4	I2C1_SCL	GPIO0_B4		12
56	SPI2_CS	I2C0_SCL	GPIO1_D1	UART1_TX	5	6	VCC_IO
57	SPI2_CLK	I2C0_SDA	GPIO1_D0	UART1_TX	7	8	GND
55	JTAG_TMS	UART2_TX_M0	GPIO1_C7	SPI2_TX	9	10	PWM2	GPIO0_B7	I2C3_SDA	15
54	JTAG_TCK	UART2_RX_M0	GPIO1_C6	SPI2_RX	11	12	PWM3	GPIO0_C0	IR_RX	16