Russound MCA-C3 User And Installation Manual page 182

5
D
C
B
A
5
4
To Front Panel
J17
1
27 Ohm
2
3 1
1 2
4
L7
HZ1206D102R
CON4
D40
R216
3.3K
4
3
U35
1 8
CS VCC
2 7
CLK NC
3 6
DI ORG
4 5
DO VSS
1K Serial EEPROM
C125
33pF
Y5
1 2
R146
R145
27 Ohm
1 2
2
213-0025 1.5K
2 1
U36
R147
1
EESK
2
EEDATA
3
VCC
4
RESET
5
RSTO
6
3_3V_OUT
7
USBDP
8
USBDM
C130
0.033uF
C131 C132
+
2.2uF
0.1uF
3
2
Front USB
C122 C123
0.1uF 0.1uF 10uF
1
+
C124
2
C126
33pF
Isolates main CPU when FT232BL is not powered
R144
USB Is Bus Powered
470 OHM
C129
0.1uF
24
RXD
23
RTS
22
CTS
21
DTR
20
DSR
19
DCD
18
RI
17
GND
+3.3V
C153
0.1uF
2
1
+3.3V
U43-A
2 3
FRONT_USB_RXD
205-0111
1
+3.3V
205-0111
U43-B
6 5
FRONT_USB_TXD
4
+3.3V
U43-C
9 8
USB_RTS#
205-0111
10
U43-D 205-0111
11 12
USB_CTS#
13 LVC is 5V tolerant for USB_CTS#
Russound Inc
Title
MCA C3 Digital Board USB
Size Document Number Rev
C
J
Date: Sheet 14 of 14
05/17/11
1
D
C
B
A