DS2148 データシートの表示（PDF） - Dallas Semiconductor -> Maxim Integrated

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DS2148

5V E1/T1/J1 Line Interface

Dallas Semiconductor -> Maxim Integrated 

DS2148/Q48

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)

SCLK

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CS*

SDI

1

A0

A1

A2

A3

A4

(lsb)

READ ACCESS ENABLED

SDO

0

B

(msb)

D0

D1

D2

D3

D4

D5

D6

D7

(lsb)

(msb)

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

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

CS*

SDI

1

A0

A1

A2

A3

A4

(lsb)

SDO

0

B

(msb)

D0

D1

D2

D3

D4

D5

D6

D7

(lsb)

(msb)

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