EVBUM2769/D
9
Figure 15. LC786830 DEMO (Main Board)
−
NF2210EZ BT RF Module
R219 OPEN
R225
1K
R214
0
2
1
D212
OPEN
R218 51K
DGND
R215
0
R217
1.8K
C213
0.1
C212 0.1
R216
0
DGND
DGND
DGND
R220 10K
DGND
R221 OPEN
R213
0
R222 10K
R227
220
R226
220
RESB 5V GND RX GND TX CTS RT
S
DGND
2
1
D21
1
GMA01
C215
10u/50v
DGND
DGND
R228
220
R229
220
PCM_SYNC
PCM_IN
PCM_CLK
PCM_OUT
RX
TX CTS RT
S
TX
RX
RT
S
CTS
DN DP
GND
33
GND
34
GND
35
GND
1
GND
2
GND
3
RESETB
4
GND
5
U
A
R
T_CTS
6
UA
RT_RXD
7
UA
RT_TXD
8
UA
RT_R
TS
9
USB_DN
10
USB_DP
11
USB_U
AR
TB_SEL
12
PCM/SPI_SELECT
13
PCM_CLK
14
PCM_SY
NC
15
PCM_IN
16
PCM_
O
U
T
17
GND
18
PIO_4
20
PIO_5
19
PIO_2
21
PIO_1
22
PIO_3
23
PIO_0
24
V
D
D_P
A
D
S
25
V
D
D_S_3V3
26
NF2210EZ
VD
D_S_3V3
27
SPI_MISO
28
SPI_MOSI
29
SPI_CLK
30
SPI_CS#
31
RF I
N/OUT
32
GND
36
GND
37
GND
38
GND
39
GND
40
IC201 NF2210EZ
DGND
Chip Antenna
(2450MHz)
AMCA31
C217 OPEN
C218
0 ohm
C219 OPEN
1608 size
1608 size
1608 size
R230
0
R231
0
SDA
SCL
P21
1
DN
P212
DP
HCI_SDA HCI_SCL
30_R
TS
30_CTS
30_RX
30_TX
HCI
−
RESB
PCM_
O
U
T
PCM_IN
PCM_CLK
PCM_S
Y
N
C
DVDD2
R224
0
C211
100u/25v
C214
0.1
DGND
DGND
C216
10u/50v
DGND
HCI3.3v