Flow Chart of Troubleshooting
10-29
VBT_1.8V
C148
UART_CTS
10
7
UART_RTS
UART_RX
8
9
UART_TX
18
VDD_1.8V
17
VDD_IO
VDD_REG
16
15
PIO_1
24
PIO_2
1
PIO_3
19
PIO_4
PIO_5
20
21
PIO_6
PIO_7
22
RESETB
2
D
N
G
1
1
3
1
D
N
G
3
2
D
N
G
PCM_CLK
6
PCM_IN
5
3
PCM_OUT
PCM_SYNC
4
PIO_0
14
U101
T
N
A
21
VBT_1.8V
VOUT4
GND
2
GND
6
NC 5
1 STBY
VIN
3
U105
C149
VBAT
C147
ANT102
1
3
2
R124
C150
BT_RXD
BT_TXD
PCM_SYNC
PCM_OUT
PCM_IN
PCM_CLK
VBT_EN