BCM Advanced Research AR8MX Series User manual

AR8MX- Series
This Quick Start Guide is for BCM AR8MXMM ARM motherboards based on Freescale
i.MX8 Cortex A53 platform.
Quick Start Guide
Ver 0.1

AR8MXMM Quick Start Guide Page 2
Contents
1. Overview…………………………………………………….3
2. Mainboard Illustration…………………………………….4
3. Jumper and Connector pin out………………………….5

AR8MXMM Quick Start Guide Page 3
1. Overview
i.MX8M Mini Quad Core SoC Ultra Compact, Ultra Low Power ARM Motherboard
oNXP i.MX8M Mini 4x Cortex®-A53 cores and 1x Cortex-M4 processor
oOptional AR8MXMN - i.MX8M Nano Processor (4x Cortex®-A53 cores and 1x Cortex-M7 core)
o1GB Onboard DDR4 Memory (expandable up to 2GB Max)
oOnboard 8GB eMMC Flash, 1 x MicroSD Card Slot
oGC NanoUltra 3D (1 shader) + GC320 2D, OpenGL ES2.0
o1 x LVDS and 1 x MIPI-CSI
oWolfson® WM8960 Ultra Low Power Audio Codec
oTI® TPA2008D2 3-W Stereo Class-D Audio Amplifier
o1 x Micrel® KSZ9031 Gigabit Ethernet
oOptional AzureWave® AW-CM389NF 802.11 a/b/g/n/ac + Bluetooth 4.0 Through SDIO
oOnboard I/O: MIPI-CSI, LVDS, 2 x RS-232 COM, 1 x 4-pin USB, 2 x I2C, I2C Touch Panel Connector, 1 x
8-bit GPIO, 1 x Front Panel, Mic-in, Line-out
oBack I/O Panel: RJ-45 LAN, USB Type C OTG, Line-out, DC-in, 2 x USB
o1 x M.2
o5V DC Input
oCompact size (4.72” x 3.07”) (palm size)

AR8MXMM Quick Start Guide Page 4
2. Mainboard illustration: Locations of IO ports & Jumper settings definition
Board Top View：
Board Side View：

AR8MXMM Quick Start Guide Page 5
3. Jumper Settings and Pin Definition
1.
JP2: Boot
Device
2.
JP3: Boot Device
Connector type：HDR 2x4 2.0mm
Pin
Definition
Pin
Definition
1
D3V3
5
D3V3
2
BT_CFG2
6
BT_CFG4
3
D3V3
7
D3V3
4
BT_CFG3
8
BT_CFG5
Default
JP1
BOOT MODES
5－6
SD on CPU
7－8
MMC on CPU
NAND on CPU
Download Mode
Connector type：HDR 2x4 2.0mm
Pin
Definition
Pin
Definition
1
D3V3
5
D3V3
2
BT_CFG10
6
BT_CFG12
3
D3V3
7
D3V3
4
BT_CFG11
8
BT_CFG13
Default
JP1
BOOT MODES
1－2、5－6
SD on CPU
3－4、7－8
MMC on CPU
1－2、3－4、5－6、7－8
NAND on CPU
Download Mode
3.
JP4：Boot Mode
Connector type：HDR 2x4 2.0mm
Pin
Definition
Pin
Definition
1
D1.8V
5
D1.8V
2
BOOT_MODE0
6
BOOT_MODE2
3
D1.8V
7
D1.8V
4
BOOT_MODE1
8
BOOT_MODE3
Default
JP1
BOOT MODES
5－6
Boot From Fuses
1－2、5－6
Serial Downloader
3－4、5－6
Internal Boot
1－2、3－4、5－6
Reserved

AR8MXMM Quick Start Guide Page 6
4.
JP1: LVDS
PWR
5.
JP5: BL PWR
Connector type：HDR 1X3 2.0mm
Pin
Definition
1
D3V3
2
LCD_PWR
3
D5V
Default
Jumper selector
LVDS0 PWR SEL
1 －2
3.3V
2 －3
5V
Connector type：HDR 1X2 2.0mm
Pin
Definition
1
BL_PWR_SEL
2
GND
Default
Jumper selector
LVDS0 PWR SEL
Open
12V(For BL)
Close
17V(For VGH 7”panel)
6.
CN1: I2C
Connector type：CSI-0184-1010

AR8MXMM Quick Start Guide Page 7
7.
CN2：8BIT DIO(3.3V)
8.
CN3：Touch Panel (I2C)
Connector type：HDR 1x8 2.0
Pin
Definition
1
DIO0
2
DIO1
3
DIO2
4
DIO3
5
DIO4
6
DIO5
7
DIO6
8
DIO7
Connector type：1x6 1.25
Pin
Definition
1
GND
2
SCL
3
SDA
4
INT
5
RST
6
D3V3
9.
CN4：DC-IN 5V
Connector type：6.5/2.5mm
10.
CN6: LVDS
2930
2 1
LVDS CONN.
Connector type : CSI-4585-300R 30DP 1.25
Pin
efinition
Pin
Definition
Pin
Definition
1
LEDBL+
11
LVDS0_CH0_TX3_P
21
PNL_VHL
2
LEDBL-
12
LVDS0_CH0_TX2_P
22
GND
3
VDD5V
13
LVDS0_CH0_TX3_N
23
PNL_RD_SDA
4
GND
14
LVDS0_CH0_TX2_N
24
LVDS0_CH0_TX0_P
5
PNL_STBYB_BLEN
15
PNL_VCOM_BIST
25
PNL_UD_SCL
6
LVDS0_CH0_CLK_P
16
GND
26
LVDS0_CH0_TX0_N
7
PNL_SELB_BLPWM
17
LVDS_RST
27
PNL_AVDD
8
LVDS0_CH0_CLK_N
18
LVDS0_CH0_TX1_P
28
GND
9
GND
19
PNL_VGH
29
LCD0_PWR
10
GND
20
LVDS0_CH0_TX1_N
30
LCD0_PWR

AR8MXMM Quick Start Guide Page 8
11.
CN7：CSI
1
2930
2
Connector type：CSI-4585-300R 30DP 1.25
Pin
Definition
Pin
Definition
Pin
Definition
1
CSI_PWR1
11
CSI_DP3
21
GND
2
CSI_PWR1
12
CSI_DP2
22
GND
3
GND
13
CSI_DN3
23
CSI_I2C_SCL
4
GND
14
CSI_DN2
24
CSI_DP0
5
CSI_PWDN
15
GND
25
CSI_I2C_SDA
6
CSI_CLKP
16
GND
26
CSI_DN0
7
CSI_PWR3
17
CSI_nRST
27
GND
8
CSI_CLKN
18
CSI_DP1
28
GND
9
GND
19
CSI_MCLK
29
CSI_PWR2
10
GND
20
CSI_Dn1
30
CSI_PWR2
12.
CN9：Front Panel
13.
CN8：LAN
Connector Type: Header 1x4 2.0
Pin
Definition
1
ON/OFF
2
GND
3
RESET
4
GND
Connector type：RTA-164AAK1A
Pin
Definition
Pin
Definition
1
GE_MDI0+
9
GE_MDI3+
2
GE_MDI0-
10
GE_MDI3-
3
GE_MDI1+
11
LED2
4
GE_MDI1-
12
D3V3
5
GND
13
D3V3
6
GND
14
LED1
7
GE_MDI2+
15
GND
8
GE_MDI2-
16
GND
14.
CN12：USB(TYPE A)
15.
CN10：USB(Internal)
Connector type：USAF-8D-HNR0SPJ
Pin
Definition
Pin
Definition
1
USBV4
5
USBV3
2
USB4P-
6
USB3P-
3
USB4P+
7
USB3P+
4
GND
8
GND
Connector Type: Header 1x4 2.0
Pin
Definition
1
USBV2
2
USB2P-
3
USB2P+
4
GND

AR8MXMM Quick Start Guide Page 9
16.
CN13：Console(M7)
17.
CN14：Console(A53)
Connector type：Header 1X4 1.25
Pin
Definition
1
D3V3
2
GND
3
UART4_TXD
4
UART4_RXD
Connector type：Header 1X4 1.25
Pin
Definition
1
D3V3
2
GND
3
UART2_TXD
4
UART2_RXD
18.
CN15：COM2
19.
CN16：COM1
Connector Type: Header 1X5 1.25
Pin
Definition
1
UR3_TXD
2
UR3_RXD
3
UR3_RTSB
4
UR3_CTSB
5
GND
Connector type：Header 1X5 1.25
Pin
Definition
1
UR1_TXD
2
UR1_RXD
3
UR1_RTSB
4
UR1_CTSB
5
GND
20.
CN17：HP JACK
21.
CN19：MIC IN
Connector type：3.5mm Phone Jack Green
Pin
Definition
1
AD_AGND
2
LOUT_R
3
SPK-DET
4
AD_AGND
5
LOUT_L
Connector type：Header 1X4 1.25
Pin
Definition
1
AD_AGND
2
MICBIAS_J
3
MIC_J
4
AD_AGND
22.
CN20：SPK OUT
CN11：M.2 (NGFF)
Connector type：Header 1X4 1.25
Pin
Definition
1
SPK_R_OUT+
2
SPK_R_OUT-
3
SPK_L_OUT+
4
SPK_L_OUT-
M.2 E Key for Wifi/BT