Manual

58 DS261DB2
CDB61584A
Dual Line Interface Unit
2
4
6
8
10
12
14
16
18
20
22
24
26
ATTEN1
RLOOP1
RLOOP2
LLOOP
TAOS1 TAOS2
CON01
DGND1
DV+
DGND3
CON02 CON11 CON12 CON21 CON22 CON31
U7
CS61584A
CONTROL CIRCUITRY
124 TAOS2
223 TAOS1
322 LLOOP
421 RLOOP2
520 RLOOP1
619PD1
718PD2
817ATTEN0
916ATTEN1
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
SCLK
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
23456
RP2
81 CON01
72 CON11
63 CON21
54 CON31
VD+
SW3
81CON02
72CON12
63CON22
54CON32
SW4
23456
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
GNDGND
RP5
47k
765432 876543
2
11
7
Figure 3. Control Circuitry