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Redpine Signals, Inc. Proprietary and Confidential
Page 19
1.2.5
USB mode Interface Schematic
USB_VBUS
VOUTLDOP3
USB_DN
USB_DP
D2
0603ESDA
USB_DP
USB_DN
D3
0603ESDA
USB_ID
C20
4.7nF 250V
R21
1M
C21
0.1uF
USB_VBUS
VOUTLDOP3
C22
10uF(0805)
J3
Micro USB
VBUS
1
D-
2
D+
3
ID
4
GND
5
Device Mode
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_ID
USB_DP
USB_DN
USB_VBUS
R26
4.7K
R25
4.7K
DVDD33
VOUT_3V3
GPIO_16
R23
4.7K(NP)
R24
4.7K
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
VINMOD
VRF33
DVDD33
Title
Size
Document Number
Rev
Date:
Sheet
of
RS9113 based Module with integrated antenna -USB
1
1
Wednesday , October 22, 2014
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
C25
1uF
VINMOD
USB Connector
R10
100K
RESET_N
C13
0.1uF
OPTION-1
RESET_N
C14
8.2nF
R9
1M
U2
MAX6415
VCC
5
SRT
4
RESETn
1
GND
2
RESET IN
3
R12
100K
R
11
1M
C12
0.1uF
SW
1
1
2
RESET Circuitry
OPTION-2
Redpine Signals Confidential
VDD_EXT
VDD_EXT
LED Indication
VDD_EXT
GPIO_16
R8
820E
D1
LED
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
HOST MCU
RESET_N
MCU pin
driving
RESET_N
R13
10K
Note: Ensure a reset assertion time of 20ms.
Figure 5: USB mode Interface Schematic