DS2148 Dallas Semiconducotr, DS2148 Datasheet - Page 25

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

SERIAL PORT OPERATION FOR READ ACCESS (R=1) MODE 1 Figure 5-1
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 1 (update SDO on rising edge of SCLK)
SERIAL PORT OPERATION FOR READ ACCESS MODE 2 Figure 5-2
ICES = 1 (sample SDI on the falling edge of SCLK)
OCES = 0 (update SDO on falling edge of SCLK)
SCLK
CS*
SDI
SDO
SCLK
CS*
SDI
SDO
(lsb)
1
(lsb)
1
1
READ ACCESS ENABLED
1
2
A0
2
A0
3
A1
3
A1
4
A2
4
A2
5
A3
5
A3
6
A4
6
A4
7
0
7
0
(msb)
(msb)
8
B
8
B
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9
9
D0
(lsb)
D0
(lsb)
10
10
D1
D1
11
11
D2
D2
12
12
D3
D3
13
13
D4
D4
14
14
D5
D5
15
15
D6
D6
(msb)
16
16
D7
(msb)
D7