DS21348 Dallas Semiconducotr, DS21348 Datasheet - Page 27

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DS21348

Manufacturer Part Number
DS21348
Description
3.3V E1/T1/J1 Line Interface
Manufacturer
Dallas Semiconducotr
Datasheet

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SCLK
CS*
SDI
SERIAL PORT OPERATION FOR WRITE ACCESS (R=0) MODES 1 & 2 Figure
5-5
ICES = 1 (sample SDI on the falling edge of SCLK)
SERIAL PORT OPERATION FOR WRITE ACCESS (R=0) MODES 3 & 4
Figure 5-6
ICES = 0 (sample SDI on the rising edge of SCLK)
SDO
SCLK
CS*
(lsb)
SDI
SDO
WRITE ACCESS ENABLED
0
1
(lsb)
WRITE ACCESS ENABLED
1
0
A0
2
2
A0
A1
3
A1
3
A2
4
4
A2
A3
5
5
A3
A4
6
6
A4
0
7
7
0
(msb)
B
8
(msb)
8
B
DO
(lsb)
9
DO
(lsb)
9
27 of 73
10
D1
10
D1
D2
11
D2
11
D3
12
12
D3
D4
13
13
D4
D5
14
14
D5
D6
15
15
D6
(msb)
D7
16
(msb)
16
D7

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