Cirrus Logic CDB61584A - Manual (Page 8)

58 DS261DB2
CDB61584A
Dual Line Interface Unit
2
4
6
8
10
12
14
16
18
20
22
24
26
AT
T
E
N
1
RL
O
O
P
1
RLOOP
2
L
L
OOP
TA
O
S
1
TA
O
S
2
CO
N
0
1
DGND
1
DV+
DGND
3
CON0
2
CON1
1
CO
N
1
2
CO
N
2
1
CON2
2
CON3
1
U7
CS61584A
CONTROL CIRCUITRY
1 24 TAOS2
2 23 TAOS1
3 22 LLOOP
4 21 RLOOP2
5 20 RLOOP1
6 19 PD1
7 18 PD2
8 17 ATTEN0
9 16 ATTEN1
10 15 CLKE/IPOL
11 14 1XCLK
12 13
VD+
SW2
U6 U6
9
U6
6
18
2
16
4
PD1
PD2
ATTEN0
CLKE/IPOL
1XCLK
C18
.01 µ F
VD+
1
3
5
7
9
11
13
15
17
19
21
23
25
SCL
K
SD1
CS
SD0
J26
9
11
J-TD0
J-TD1
J-TMS
T-TCK
2
4
6
8 1
3
5
7
J56
47k
1
2 3 4 5 6
RP2
8 1 CON01
7 2 CON11
6 3 CON21
5 4 CON31
VD+
SW3
8 1 CON02
7 2 CON12
6 3 CON22
5 4 CON32
SW4
2 3 4 5 6
1
RP3
CON32
U6
13
U6
C25
C39
R58 R57
C20
R
5
9
C23
C24
N/
C-
4
8 7 6 5 4 3 2 1 61
47k
VD+
J24
R55
3.92k
51.1
R56
INT
100 pF
100 pF
51.1
RP4
8
47k
100pF
51.1
100
pF
100pF
51.1
51.1
68 67 66 65 64 63 62
14
GND
R40
GND
GND GND
RP5
47k
7 6 5 4 3 2 8 7 6 5 4 3 2
1 1
7
Figure 3. Control Circuitry