15
SPK (4-pin): 3W Speaker Connector
Pin1
SP
K
_R
O
U
T+
SP
K
_R
O
U
T-
SP
K
_L
O
U
T-
SP
K
_L
O
U
T+
GPIO (16-pin): 8-bit GPIO & I2C Combo Header Block
I2C
2S
D
A
_G
P2
_A
0
G
N
D
G
PIO
_V
C
C
Pin1
G
N
D
2
3V
3
G
PIO
_V
C
C
G
P2
-A
2
G
P2
_A
6
G
P2
_A
7
G
P2
_A
3
G
P2
_A
4
G
N
D
I2C
2S
C
L_
G
P2
_A
1
G
P2
_A
5
G
N
D
EM
M
C
_C
LK
O
*
Note
:
Pin 15 & 16 short = EMMC_UPDATE (If EMMC_CLKO=0V after power-on
reset, then system will enter into Maskrom mode).
SPK
GPIO