Schematics

5
5
4
4
3
3
2
2
1
1
D D
C C
B B
A A
没用的口引出测试点
<Doc> <RevCode>
<Title>
A
1 1Monday, November 26, 2018
Title
Size Document Number Rev
Date: Sheet
of
R9
2
K
C6
1
00nF
U2
BL
916
1
2
3
4
5
6
7
8
9 10 11 12 13 14 15 16
17
18
19
20
21
22
23
24
25 26 27 28 29 30 31 32 33
DAC
VSS
VCM
DACVDD
VDDIO
PB5
PB4
PB1
PB0
VBAT AV
DDBT
RTCVDD PR1 PR2 PR3 PR0 BT_RF
VSS
BTXO
SCI
BTXOSCO
PC5
PC4
PC3
USBDM
USBDP
PA6 PA5 PA4 PA3 PA0
DACR
DACL
VCMO
GND1
C5
1
uF
T3
1
T
C6
1
uF
USB
W
X-5PIN-2.54
1
2
3
4
5
5V
D
-
D+
GND
PGND
R5
N
C
T1
1
T
R3
22R
R2
22R
T4
1
T
C9
2
.2uF
U1
Xo
ne
1
2
3
4
5 6
7
8
9
10
11
G
ND
SDA
NC1
NC2
NC3 NC4
NC5
SCL
RST
VDD
GND1
C8
2.7pF
C1
2
1uF
Y2
24
MHZ
1 2
3 4
OSC
I OSCO
GN
D
GND
R10
2K
L1
0R
R1
0R
C7
1
uF
R4
0R
T5
1
T
R6
2
M
D1
LED
C1
0
1uF
C1
6
NC
C4
22pF
R1
1 1K
C1
5
NC
ANT
6
905ANT
1
2
A
G
C3
22pF
C1
1
1uF
DP1
BT_
AVDD
BT_
OSCO
VIN
DM
1
BT_OSCI
DAC
VDD
BT_OSCOBT_OSCI
DM
1
VIN
DP1
USB5
V
VDD
PC4
PC5
PC3
PC5
PC4
PC3
VDD
VDD
VDD
PC4
PC5 PC3
FCC ID: 2ARNF-M07331B