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inc = 1 (自动-increment 读)
index “n”
ML
1 0 0 0 0 0 0 0 X X X X X X X X
D0D1D2D3D4D5D6D7高 阻抗
MC
MDI
MDO
index “y”
ML
X X X X X X X X X X X X X X X X
D0D1D2D3D4D5D6D7 高 阻抗
MC
MDI
MDO
index “n + 1”
D0D1D2D3D4D5D6D7
inc = 0 (单独的-寄存器 读)
index “n”
ML
1 0 0 0 0 0 0 0 X X X X X X X X
D0D1D2D3D4D5D6D7高 阻抗
MC
MDI
MDO
t0075-01
自动-incrementreadoperation
PCM1609A
SLES145–AUGUST2005
注释:x=don’tcare
w
Y=Lastregistertoberead
w
insingle-registerread(inc=0),theindexwhichindicatestheresistertobereadinreadoperationcanbesetby
reg[6:0]inregister11.forexample,settingreg[6:0]=0001001bmeansreadingfromregister9.
inauto-incrementread(inc=1),theindexreg[6:0]indicatesthefirstregistertoberead.forexample,设置
reg[6:0]=0001001bmeansreadingregistersfrom9toy.yisdeterminedbythelow-至-hightransitionofmlin
serialmodecontrol.
figure26.readoperationtiming
theauto-incrementreadfunctionallowsformultipleregisterstobereadsequentially.theauto-incrementread
functionisenabledbysettingtheincbitofcontrolregister11to1.thesequencealwaysstartswiththeregister
indexedbythereg[6:0]bitsincontrolregister11,andendsbythemlsettingto1aftermcclockcycleforthe
least-significantbitoflastregister.
18
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