SI3000-C-FS View Datasheet(PDF) - Silicon Laboratories

Part Name

Description

Manufacturer

SI3000-C-FS

VOICEBAND CODEC WITH MICROPHONE/SPEAKER DRIVE

Silicon Laboratories 

Si3000

FSYNC

Prim ary

Sec ondar y

Prim ary

SDI

D 15 – D 1 D 0 = 0 (Softw are FC Bit)

XM T D ata

Sec ondar y

U pdate

XM T D ata

SDO

R C V D ata

Sec ondar y

U pdate

R C V D ata

16 SCLKs

128 SCLKs

256 SCLKs

Figure 15. Secondary Request

FSYNC

(mode 0)

FSYNC

(mode 1)

SDI

D 15 D 14 D 13 D 12 D 11 D 10 D 9 D 8

0 0 0 A AA A A

D7 D6 D5 D4 D3 D2 D1 D0

DDDDDDDD

SDO

R/W

Figure 16. Secondary Communication Data Format—Write Cycle

FSYNC

(mode 0)

FSYNC

(mode 1)

SDI

SDO

D 15 D 14 D 13 D 12 D 11 D 10 D 9 D 8 D 7

D0

0 0 1 A AA A A

High Z

R/W

D7 D6 D5 D4 D3 D2 D1 D0

D D D D D D D D High Z

Figure 17. Secondary Frame Format—Read Cycle

16

Rev. 1.4

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