Operation of Board Components
2 6
R e v i s i o n 3
USB-to-UART Interface
Included on the starter kit board is a USB-to-UART interface with ESD protection. This interface includes
an integrated USB-to-UART bridge controller (U8) to provide a standard UART connection with the
IGLOO nano FPGA. Any standard UART controller can be implemented in the IGLOO nano FPGA to
allow access with this interface. In addition, the Microsemi IP catalog includes various UART controllers,
specifically CoreUART, which can be instantiated in the FPGA design with an embedded processor.
CoreUART controller supports both asynchronous and synchronous modes with configurable
parameters for various applications.
One application of the USB-to-UART interface is to allow HyperTerminal on a PC to communicate with
the IGLOO nano FPGA. HyperTerminal is a serial communications application program that can be
installed in the Windows operating system. A basic HyperTerminal program is usually distributed with
Windows. With a USB driver properly installed and correct COM port and communication settings
selected, you can use the HyperTerminal program to communicate with a design running in the IGLOO
nano FPGA device.
Information on the USB-to-UART bridge datasheet and device drivers is available at the IGLOO nano
Starter Kit website:
www.microsemi.com/soc/products/hardware/devkits_boards/igloonano_starter.aspx
.
Figure 3-13 • USB-to-UART Interface Schematic
VCC_vbus_f
VCC_vbus
VCC_3_3_1
VCC_usb_vbus
GND_SHLD1
VCC_3_3_1
VCC_vbus
GND_SHLD1
VCC_vbus
agl_txd [4]
agl_rxd [4]
USB Connected
USB in-rush Limiter
Ferrite Bead
R48
10K-0603
R48
10K-0603
SP14
DCD
SP14
DCD
R41
2K7-0603
R41
2K7-0603
R38
560R-0603
R38
560R-0603
SP10
DTR
SP10
DTR
1
2
3
4
5
6
U9
USBLC6-2SC6-SOT23-6L
U9
USBLC6-2SC6-SOT23-6L
R42
10K-0603
R42
10K-0603
R49
NL-0R-0603
R49
NL-0R-0603
SP11
DSR
SP11
DSR
SP15
RI
SP15
RI
R43
220K-0603
R43
220K-0603
R40
22R-0603
R40
22R-0603
C46
100n-0603
C46
100n-0603
C52
100n-0603
C52
100n-0603
C50
27n-0603
C50
27n-0603
SP12
RTS
SP12
RTS
1
4
2
5
6
3
Q4
SI3407DV-TSOP6
Q4
SI3407DV-TSOP6
V_Bus
1
D-
2
D+
3
ID_NC
4
GND
5
SH1
6
SH2
7
SH3
8
SH4
9
GP_NC1
10
GP_NC2
11
CON2
USB Mini B-Type Connector
CON2
USB Mini B-Type Connector
SP13
CTS
SP13
CTS
C47
1u-0603
C47
1u-0603
VBUS
8
REGIN
7
VDD
6
DM
5
DP
4
DTR
28
RTS
24
CTS
23
DSR
27
RI
2
DCD
1
TXD
26
RXD
25
SUSPEND
12
SUSPEND_n
11
RST
9
NC1
10
NC2
13
NC3
14
NC4
15
NC5
16
NC6
17
NC7
18
NC8
19
NC9
20
NC10
21
NC11
22
GND
3
GNDNW
30
GNDCNTR
29
U8
CP2102-GM-MLP28
U8
CP2102-GM-MLP28
C53
100n-0603
C53
100n-0603
1
3
2
D2
BAT54-SOT23
D2
BAT54-SOT23
C51
100n-0603
C51
100n-0603
R39
22R-0603
R39
22R-0603
C49
100n-0603
C49
100n-0603
FB2
EBMS321611B190-1206
FB2
EBMS321611B190-1206
1
2
LED9
GREEN SMD LED - 1206
LED9
GREEN SMD LED - 1206
R44
0R-0603
R44
0R-0603
C48
100n-0603
C48
100n-0603
1
2
F1
MICROSMD050F-2-1210
F1
MICROSMD050F-2-1210
Summary of Contents for IGLOO nano Starter Kit
Page 1: ...IGLOO nano Starter Kit User s Guide ...
Page 6: ......
Page 9: ...IGLOO nano Starter Kit Revision 3 9 Figure 1 3 Bottom Silkscreen ...
Page 14: ......
Page 28: ......
Page 30: ......
Page 32: ......
Page 34: ......
Page 36: ......
Page 41: ......