CDB61318 Cirrus Logic, Inc., CDB61318 Datasheet - Page 10

• Manufacturer Part Number: CDB61318
• Description: T1/e1 Line Interface Units
• Manufacturer: Cirrus Logic, Inc.

DB25M_RA
P1
14
15
16
17
18
19
20
21
22
10
23
11
24
12
25
13
1
2
3
4
5
6
7
8
9
+5V
GND
SCLK
FERRITE_BEAD
SDI
FERRITE_BEAD
FERRITE_BEAD
CS
SDO
INT
4
3
2
1
FERRITE_BEAD
FERRITE_BEAD
SW_DIP_4
SW1
HDR5X2
HDR12
L2
L3
L4
L5
L6
JASEL
TAOS
LLOOP
RLOOP
GND
SCLK/LLOOP
1N4148
1N4148
1N4148
SDI
D6
D8
INT
CS
RN1
47K
GND
GND
GND
1
19
2
3
4
5
6
7
8
9
R10
D7
SN74HCT541N
R11
/G1
/G2
A1
A2
A3
A4
A5
A6
A7
A8
HWMODE
U2
HDR1X2
VCC
GND
HDR10
1
47
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
47
SW_B3W_1100
2
GND
20
18
17
16
15
14
13
12
11
10
11
13
S2
HW_RST/NLOOP
+5V
GND
U4
MC74F14N
U4
MC74F14N
C15
.1UF
GND
10
12
R7
R8
R9
R12
100
+5V
47
47
47
GND
GND
GND
GND
Figure 4. CDB61318 Evaluation Board Schematic
GND
1
19
2
3
4
5
6
7
8
9
SN74HCT541N
/G1
/G2
A1
A2
A3
A4
A5
A6
A7
A8
.1UF
C7
U5
VCC
GND
Y1
Y2
Y3
Y4
Y5
Y6
Y7
Y8
20
18
17
16
15
14
13
12
11
10
R16
R19
R15
R17
R18
R14
47
47
47
47
47
47
GND
GND
+5V
RNEG
4.7K
GND
SW
HW
HWCDR
R6
GND
HDR9
RPOS
+5V
GND
1
3
4
RCLK
GND
SW_SP3T
6.1760MHZ
GND
S1
TNEG_HI
Y1
1
HDR8
GND
2
2
1
3
HDR7
GND
GND
5
6
7
8
9
10
11
2
4
MODE
RNEG/BPV
RPOS/RDATA
RCLK
XTALIN
XTALOUT
JASEL
4
12
SKT_PLCC28_ECM
3
13
GND
CS61310
2
14
U1
1
15
28
16
27
17
NLOOP/INT
L801/SDI
26
18
L802/
RRING
RGND
RTIP
SDO
RV+
TTIP
LATN
TRING
3
5
9
25
24
23
22
21
20
19
1
U4
U4
VCC
GND
GND
MC74F14N
MC74F14N
GND
U4
MC74F14N
HDR6
14
7
MC74F14N
4
6
8
GND
U4
2
C13
.1UF
V+
V+
.1UF
C5
.1UF
5
6
7
8
C4
LED_555_5003
GND
RRING
JP8
RCLK
LATN
.47UF
C12
D1
RTIP
FERRITE_BEAD
C6
47UF
JP9
LATN1
LATN2
NLOOP
LOS
4
3
2
1
.47UF
R1
49.9
C3
R2
49.9
1
2
3
4
5
6
7
8
9
10
11
12
+5V
L1
J18
+5V
+5V
GND
PALCE20RA10H
R3
R4
Z1
5
3
1
C14
47UF
C1
PE_64936
U3
T1
15
15
P6KE6V8P
.1UF
RRING
HDR1X2
6
HDR5
2
RTIP
GND
GND
TP1
TP2
2
6
J19
GND
T1229
T3
24
23
22
21
20
19
18
17
16
15
14
13
47PF
C2
COG
HDR4
HDR1X2
1
3
5
TTIP
TP4
10
TRING
GND
6
7
8
9
CON_RTT87
TP3
RRING
RECEIVE
J3
RTIP
1
2
3
4
5
CON_RTT87
TRANSMIT
TRING
TTIP
J3