DS21348

Manufacturer Part NumberDS21348
Description3.3V E1/T1/J1 Line Interface
ManufacturerDallas Semiconducotr
DS21348 datasheet
 


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Page 13/73

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ACRONYM
PIN
I/O
WR*
3
(R/W*)
PIN ASSIGNMENT IN SERIAL PORT MODE Table 4-3a
DS21348T
DS21348G
PIN #
PIN#
1
C3
2
C2
3
B1
4
D2
5
C1
6
D3
7
D1
8
E1
9
F2
10
F1
11
G1
12
E3
13
F3
14
G2
15
F4
16
G3
17
E4
18
G4
19
F5
20
G5
21
F6
22
G6
23
E5
24
E6
25
F7
26
D6
27
D5
28
D7
29
C6
30
C7
31
B6
32
B7
33
A7
34
C5
35
B5
36
A6
37
B4
38
C4
39
A4
DESCRIPTION
I
Write Input (Read/Write). WR* is an active low signal. See the
Bus Timing Diagrams in section 12.
I/O
Serial
Port Mode
I
I
I
I
I
SCLK
I
I/O
SDO
I
ICES
I
OCES
I
I
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I
VSM
-
VDD
-
I/O
INT*
O
PBEO
O
RCL/LOTC
I
TEST
I
RTIP
I
RRING
I
HRST*
I
MCLK
O
BPCLK
I
BIS0
I
BIS1
O
TTIP
-
-
O
TRING
O
RPOS
O
RNEG
13 of 73
CS*
NA
NA
NA
SDI
NA
NA
NA
NA
NA
NA
NA
NA
NA
NA
VSS
V
SS
V
DD