Toradex Apalis Series - Page 31

Apalis Carrier Board Design Guide
Toradex AG l Altsagenstrasse 5 l 6048 Horw l Switzerland l +41 41 500 48 00 l www.toradex.com l info@toradex.com
Page | 31
slew rate, which will help minimize EMC problems. The value of the series resistor is a trade-off
between reducing electromagnetic radiation and signal quality. A good starting value is 22Ω.
ESD protection diodes and common mode chokes are usually not needed for device-down
implementations.
Figure 26: USB 3.0 device down block diagram
Figure 27: USB 3.0 device down reference schematic (USB3.0 to SATA Bridge)
2.5.2.5 USB 2.0 Host Connector Schematic Example
Figure 28: USB 2.0 host block diagram
Apalis Module Carrier Board
TX
RX
USBH4_SSTX+
USBH4_SSTX-
USBH4_SSRX+
USBH4_SSRX-
USBH4_SSTX+
USBH4_SSTX-
USBH4_SSRX+
USBH4_SSRX-
2x 100nF
SSRX+
SSRX-
SSTX+
SSTX-
USBH4_D+
USBH4_D-
USBH4_D+
USBH4_D-
RX/TX
USB 3.0 Host
Super
Speed
USB 2.0/1.1
Module
Connector
D+
D-
RX
TX
2x 100nF
USB 3.0 Device
Super
Speed
USB 2.0/1.1
RX/TX
2x 22?
SATA1_RX_P
SATA1_TX_N
SATA1_TX_P
SATA1_RX_N
GND
1
A+ (TX+)
2
A- (TX-)
3
GND
4
B- (RX-)
5
B+ (RX+)
6
GND
7
X2
0470804005
SATA1_RX_P
SATA1_TX_N
SATA1_TX_P
SATA1_RX_N
GND
GND
GND
SATA1[0..3]
USBH4[0..5]
USBH4_SSTX_N
USBH4_SSTX_P
USBH4_D_N
USBH4_D_P
MM70-314-310B1
USBO1_VBUS
60
Apalis - USB
3 of 25
USBH2_D-
82
USBH2_D+
80
USBO1_SSTX-
70
USBO1_SSTX+
68
USBO1_ID
72
USBO1_SSRX-
64
USBO1_SSRX+
62
USBH_EN
84
USBH3_D-
88
USBH3_D+
86
USBH4_D-
100
USBH4_D+
98
USBO1_D-
76
USBO1_D+
74
USBH_OC#
96
USBH4_SSTX-
104
USBH4_SSTX+
106
USBH4_SSRX-
92
USBH4_SSRX+
94
USBO1_OC#
262
USBO1_EN
274
X1C
USBH4_D_N
USBH4_D_P
USBH4_SSTX_N
USBH4_SSTX_P
USBH4_SSRX_N
USBH4_SSRX_P
TUSB9261
PWM0
2
PWM1
3
GRSTz
4
GPIO8/UART_RX
5
GPIO9/UART_TX
6
GPIO0
8
GPIO1
9
GPIO2
10
GPIO3
11
GPIO4
13
GPIO5
14
GPIO6
15
GPIO7
16
SPI_SCLK
17
SPI_DATA_OUT
18
SPI_DATA_IN
20
SPI_CS0
21
SPI_CS1/GPIO10
22
SPI_CS2/GPIO11
23
JTAG_TCK
25
JTAG_TDI
26
JTAG_TDO
27
JTAG_TMS
28
JTAG_TRSTz
29
FREQSEL0
30
FREQSEL1
31
USB_DM
35
USB_DP
36
NC
37
USB_R1
38
USB_R1RTN
39
USB_SSTXM
42
USB_SSTXP
43
USB_SSRXM
45
USB_SSRXP
46
XI
52
XO
54
SATA_TXM
56
SATA_TXP
57
SATA_RXM
59
SATA_RXP
60
NC
64
USB_VBUS
50
IC1A
TUSB9261
VDD
1
VDD33
7
VDD
12
VDD
19
VDD33
24
VDD
32
VDD
33
VDDA33
34
VDDA33
40
VDD
41
VSS
44
VDD
47
VDDA33
48
VDD
49
VDD
55
VDD
61
VDDA33
62
VDD
63
VSS
65
VSS
58
VDD33
51
VSSOSC
53
IC1B
100nF
C4
100nF
C6
PCIE1_RX_N
PCIE1_RX_P
100nFC1
100nF
C2
100nFC3
100nF
C5
1%
10K
R7
4.7KR8
4.7KR9
MM70-314-310B1
POWER_ENABLE_MOCI
24
Apalis - System Control
4 of 25
RESET_MOCI#
26
RESET_MICO#
28
WAKE1_MICO#
37
X1D
RESET_MOCI#
GND
OSC 40.0 MHz
OE
1
VCC
4
GND
2
OUT
3
OSC1
3.3V_SW
GND
1uF
C8
GND
Pm25LV512A
CS#
1
SO
2
WP#
3
GND
4
VCC
8
HOLD#
7
SCK
6
SI
5
IC2
JP1
SPI_SCK
SPI_SO
SPI_CE#
SPI_SI SPI_SO_J
3.3V_SW
22RR3
22RR4
100nF
C7
4.7K
R5
4.7K
R6
GND
SPI Enable
5V_SW
GND
1%
10K
R2
1%90.9K
R1
3.3V_AN
100nF
C10
100nF
C11
100nF
C12
100nF
C13
10nF
C18
10nF
C22
GND
22uF
C19
100nF
C14
1uF
C9
100nF
C15
100nF
C16
100nF
C17
100nF
C25
100nF
C26
100nF
C27
GND
22uF
C24
1uF
C23
100nF
C21
22uF
C20
GND
3.3V_AN
2A
220R@100MHz
L1
2A
220R@100MHz
L2
Power
2A
220R@100MHz
L3
3.3V_SW
3.3V_SW 3.3V_D
1.1V_D3.3V_SW
1.1V_D
3.3V_D
3.3V_D
3.3V_D
Apalis Module Carrier Board
USBHn_D+
USBHn_D-
USBHn_D+
USBHn_D-
RX/TX
USB 2.0 Host
USB 2.0/1.1
Module
Connector
USB 2.0
Connector
D+
D-
USB 2.0 Device
USB 2.0/1.1
RX/TX
USB 2.0
Connector
USB DriveUSB Cable
TVS
Diode