DS2148 Dallas Semiconducotr, DS2148 Datasheet - Page 27

• Manufacturer Part Number: DS2148
• Description: 5V E1/T1/J1 Line Interface
• Manufacturer: Dallas Semiconducotr

SCLK
CS*
SDI
SERIAL PORT OPERATION FOR WRITE ACCESS (R=0) Figure 5-5
MODES 1 and 2
ICES = 1 (sample SDI on the falling edge of SCLK)
SERIAL PORT OPERATION FOR WRITE ACCESS (R=0) Figure 5-6
MODES 3 and 4
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
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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