Cirrus-logic CS5464 Manuel d'utilisateur télécharger pdf (Page 12)

CS5464

12 DS682F3

t

1

t

2

t

3

t

4

t

5

MSB

MSB-1

LSB

MSB

MSB-1

LSB

MSB

MSB-1

LSB

MSB

MSB-1

LSB

Command Time 8 SCLKs High Byte Mid Byte Low Byte

CS

SCLK

SDI

t

10

t

9

RESET

SDO

SCLK

CS

Last 8

Bits

SDI

MODE

STOP bit

Data from EE P R O M

t

16

t

4

t

5

t

14

t

15

t

7

t

13

t

12

t

11

(INPUT)

(INPUT)

(OUTPUT )

(OUTPUT )

(OUTPUT )

(INPUT)

t

1

t

2

MSB

MSB-1

LSB

Command Time 8 SCLKs

SYNC0 or SYNC1

Command

SYNC0 or SYNC1

Command

MSB

MSB-1

LSB

MSB

MSB-1

LSB

MSB

MSB-1

LSB

High Byte Mid Byte Low Byte

CS

SDO

SCLK

SDI

t

6

t

7

t

8

SYNC0 or SYNC1

Command

UNKNOWN

SDI Write Timing (Not to Scale)

SDO Read Timing (Not to Scale)

Figure 1. CS5464 Read and Write Timing Diagrams

E

2

PROM mode Sequence Timing (Not to Scale)

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 45 46

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