Redpine Signals, Inc. Proprietary and Confidential
Page 22
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1.2.6
USB CDC mode Interface Schematic
VOUTLDOP3
USB_VBUS
USB_DN
USB_DP
D2
0603ESDA
USB_DP
USB_DN
D3
0603ESDA
USB_ID
R21
1M
C20
4.7nF 250V
C21
0.1uF
USB_VBUS
Device Mode
VOUTLDOP3
J3
Micro USB
VBUS
1
D-
2
D+
3
ID
4
GND
5
C22
10uF(0805)
VOUTLDOP1
FB10
BEAD
ANA3V3
C26
1uF
Y 1
MC-146
1
4
Note:
R22 should be mounted w hen ULP not USED
C24
20pF
C27
20pF
NO POPULATE
Note:
R24 should be mounted for USB Enumeration
R24 should not be mounted for USB_CDC Enumeration
Note:
Y1 is used for accurate w akeup time
FB9
BEAD
USB_DN
USB_VBUS
USB_ID
USB_DP
R26
4.7K
R25
4.7K
VOUT_3V3
DVDD33
GPIO_16
R23
4.7K(NP)
R24
4.7K(NP)
R22
4.7K(NP)
RESET_N
C4
10uF(0805)
R27
1K
ANA3V3
R28
1K
VOUTLDOP1
R29
1K
C3
2.2uF
U1
RS9113 based Module
HOST_SEL_0
36
VIN_MOD
33
GPIO_21
31
GPIO_16
25
GPIO_15
24
USB_VDDP
21
GPIO_18
30
GPIO_17
28
SDIO_DATA2
16
SDIO_CLK
18
SDIO_DATA3
15
SDIO_DATA1
14
SDIO_CMD
17
SDIO_DATA0
13
USB_VDDS
22
USB_VBUS
9
USB_DP
11
USB_ID
12
HOST_SEL_1
35
WURX
1
GPIO_19
32
GPIO_11
7
GPIO_12
41
VRF33
34
GPIO_10
5
GPIO_14
8
GPIO_9
6
GPIO_13
49
XTAL_32Khz_N
4
XTAL_32Khz_P
3
VBATT
52
ULP_ANAGPI
50
RESET_N
51
USB_VDDD
42
JP1
48
JP0
47
BOOTLOAD_EN
27
USB_DN
10
SDIO_VDD_18_33
19
GPIO_8
29
VOUTLDOP3
40
USB_VDDA
43
HOST_BB_EN
39
ULP_GPIO_0
2
AUX_DAC_OUT
38
JP2
45
JNC
46
BOOT_MODE_0
20
AUX_ADC_IN0
44
GPIO_7
23
VOUTLDOP1
37
GPIO_2
26
GN
D
53
GN
D
54
GN
D
55
GN
D
56
GN
D
57
GN
D
58
GN
D
59
GN
D
60
GN
D
61
GN
D
62
GN
D
63
GN
D
64
GN
D
65
GN
D
66
GN
D
67
GN
D
68
GN
D
69
GN
D
70
GN
D
71
GN
D
72
GN
D
73
GN
D
74
GND
75
GND
76
GND
77
GND
78
GND
79
with integrated antenna
VRF33
Title
Size
Document Number
Rev
Date:
Sheet
of
RS9113 based Module with integrated antenna -USB
1
1
DVDD33
VINMOD
Rev0.0
FB5
BEAD
VOUT_3V3
U3
TPS63001
L1
4
L2
2
VIN
5
VOUT
1
VINA
8
EN
6
PS/SY NC
7
GND
9
PGND
3
FB
10
GND
11
L2
2.2uH
C
15
10uF
((0805)
C
16
10uF
(0805)
Power Supply Filter Section
BUCK/BOOST SECTION
C11
0.1uF
VDD_EXT
FB8
BEAD
VOUT_3V3
C9
0.1uF
DVDD33
C8
47uF(CASE B)
VRF33
FB6
BEAD
C17
2.2uF
FB7
BEAD
C18
22uF(CASE B)
Tantalum
C19
0.1uF
C23
0.1uF
L1
4.7uH
VINMOD
C25
1uF
USB Connector
RESET_N
R10
100K
OPTION-1
C13
0.1uF
RESET_N
C14
3.9nF
R9
1M
R12
100K
U2
MAX6415
VCC
5
SRT
4
RESETn
1
GND
2
RESET IN
3
C12
0.1uF
R
11
1M
RESET Circuitry
OPTION-2
SW
1
1
2
VDD_EXT
VDD_EXT
Redpine Signals Confidential
VDD_EXT
GPIO_16
D1
LED
LED Indication
R8
820E
MCU pin
driving
RESET_N
H os t M C U may direc tly drive the RE SE T _N
pin of the module as s hown below.
OPTION-3
10K
Note: Ensure a reset assertion time of 20ms.
HOST MCU
RESET_N
Title
Size
Document Number
Rev
Date:
Sheet
of
RS9113 based Module with integrated antenna -USB-CDC
1
1
Rev0.0
Figure 6 USB CDC Mode Schematics