4 usb dongle schematics – Nordic Star Products NRD24V1 User Manual
Page 25
Revision 1.0
Page 25 of 25
Headset Reference Design v1.0
5.4 USB dongle schematics
-RESET
SCK
-RESET
MOSI
MISO
3V3
3V3
3V3
3V3
VUSB
VUSB
3V3
3V3
3V3
3V3
3V3
3V3
3V3
3V3
Title
Size
Document Number
Rev
Date:
Sheet
of
SCH-nRF24L01-VHR1-UD
4.0
USB Dongle
A4
11
Thursday, November 23, 2006
SCHEMATIC1
Title
Size
Document Number
Rev
Date:
Sheet
of
SCH-nRF24L01-VHR1-UD
4.0
USB Dongle
A4
11
Thursday, November 23, 2006
SCHEMATIC1
Title
Size
Document Number
Rev
Date:
Sheet
of
SCH-nRF24L01-VHR1-UD
4.0
USB Dongle
A4
11
Thursday, November 23, 2006
SCHEMATIC1
D1
G
D1
G
C17
22p
C17
22p
R2
22
R2
22
U3
ATMega88
U3
ATMega88
PD0/RXD
30
PD1/TXD
31
PD2/INT0
32
PD3/INT1
1
PD4/XCK
2
PD5
9
PD6
10
PD7
11
PB0/CLKO
12
PB1
13
PB2/-SS
14
PB3/MOSI
15
PB4/MISO
16
PB5/SCK
17
PB6/XTAL1
7
PB7/XTAL2
8
PC0
23
PC1
24
PC2
25
PC3
26
PC4/SDA
27
PC5/SCL
28
PC6/-RESET
29
AVCC
18
VCC
4
VCC
6
GND
3
GND
5
GND
21
AREF
20
ADC6
19
ADC7
22
GND
33
Y1
16MHz
Y1
16MHz
R11
2.2k
R11
2.2k
C1
10n
C1
10n
Q1
PDTC115TU
Q1
PDTC115TU
R4
1M
R4
1M
C2
10u
C2
10u
C3
10n
C3
10n
R9
0
R9
0
C4
10n
C4
10n
R20
470
R20
470
C5
10n
C5
10n
C9
4.7p
C9
4.7p
R12
3.3k
R12
3.3k
L1
2.7n
L1
2.7n
C6
10n
C6
10n
L2
8.2n
L2
8.2n
U2
nRF24L01
U2
nRF24L01
ANT1
12
ANT2
13
IREF
16
VDDPA
11
VDD
18
VDD
7
VDD
15
DVDD
19
VSS
14
VSS
20
VSS
17
VSS
8
XC1
10
XC2
9
CE
1
IRQ
6
CSN
2
SCK
3
MOSI
4
MISO
5
U1
SN11220ACF
U1
SN11220ACF
VDD
7
TAVDD
9
VDD
21
VSSA_PLLA
23
TAVSS
12
VDDOUT
35
VDD5D
36
VSS
37
VDD
46
VSSA_PLLB
48
XSDIN
24
XSCLK
25
XLRCK
26
XSDO
27
XMCLK
32
GPIO0
20
GPIO1
44
GPIO2
18
GPIO3
30
PDSW
31
XOUSB
28
XIUSB
29
USBDP
10
USBDM
11
RSTN
13
SDA
42
SCL
43
LFB
47
LFA
22
DR
1
DW
2
SK
3
CS
4
LEDN
14
PADFUN0
5
PADFUN1
6
PADFUN2
41
PADFUN3
8
CODECSEL
45
VOLDN
15
VOLUP
16
MUTEP
17
HIDMUTER
19
MUTER
39
RECORD
38
FREQMODE0
40
FREQMODE1
34
FREQMODE2
33
C18
22p
C18
22p
L3
3.9n
L3
3.9n
R25
1.5k
R25
1.5k
C11
10n
C11
10n
R10
10
R10
10
C24
470n
C24
470n
C16
15p
C16
15p
P1P1
1
2
3
4
R21
0
R21
0
R8
0
R8
0
C25
2.2u
C25
2.2u
R5
100k
R5
100k
U4
93C46
U4
93C46
VCC
8
GND
5
CS
1
ORG
6
DO
4
SK
2
DI
3
C8
33n
C8
33n
+
C23
47u
+
C23
47u
P3P3
1
1
2
2
3
3
4
4
5
5
6
6
C10
2.2n
C10
2.2n
C13
10u
C13
10u
R3
22
R3
22
C22
10u
C22
10u
C14
1.0p
C14
1.0p
C7
1.0n
C7
1.0n
R24
10k
R24
10k
A1A1
1
1
C12
1.5p
C12
1.5p
R26
0
R26
0
C26
1.0p
C26
1.0p
C15
15p
C15
15p
Y2
6.0MHz
Y2
6.0MHz
PCB1
nRF24L01 VoIP USB Dongle Board
PCB1
nRF24L01 VoIP USB Dongle Board
R1
22k
R1
22k
R23
10k
R23
10k