Russound MCA-C3 User And Installation Manual page 181

5
D
C
C119
33pF
2
C120
33pF
2
B
A
5
4
1
1
PERIPHERAL_RESET#
10
11
12
13
14
15
16
UEI Debug
J16
TxD 1
RxD 2
LED Out 3
IR In 4
IR Out 5
Gnd 6
4
3
+3.3V
C118
+
C116 2.2uF
0.1uF
U34
1 32
VSS VDD
+3.3V
2 31
XOUT P3_1
3 30
XIN P3_0
4 29
TEST P2_4/INT9
5 28
P2_5/INT9 P2_3/INT8
6 27
P2_6/INT9 P2_2/INT7
7 26
RST P2_1/INT6
8 25
P2_7/INT9 P2_0/INT5
9 24
P1_0 P0_7/INT4
RXD
23
P1_1 P0_6/INT4
22
P1_2 P0_5/INT4
21
P1_3 P0_4/INT4
20
P1_4 P0_3/INT3
TXD
19
P1_5 P0_2/INT2
18 R141
P1_6 P0_1/INT1
1 2
17
P1_7 P0_0/INT0
1k
3
2
+3.3V
R133 R134
1 2 1 2 B Q28
MMBT3906LT1
47 1k
C117
UEI_OUT
100pF
+3.3V
UEI_IR_IN
R136 R137
1 2 1 2 B
Q29
MMBT3906LT1
47 1k
C121
UEI_LED_OUT
100pF
UEI_RXD
UEI_TXD
2
1
D
C
B
A
Russound Inc
Title
MCA C3 Digital Board UEI
Size Document Number Rev
C
J
Date: Sheet 13 of 14
05/17/11
1