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