APA3160A 查看數據表（PDF） - Anpec Electronics
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APA3160A Datasheet PDF : 38 Pages
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APA3160A
Function Description (Cont.)
Recommended Use Model
AVDD/DVDD 3V
SD
MCLK
I2S
LRCLK
SCLK
SDIN
I2C
SCL
SDA
RST
tVDD-PVCCL
PVDD/AVCC
Intialization
Normal Operation
Shutdown
Power Down
tVDDH-DL
3V
tDL-VDDH
tDV-RH tRH-I2C
Trim
tPOR
tPOR
Stable and Valid Clocks
Clock Errors and
Rate Changes OK
DAP
tautodetect Config
Other
Config
texitSD
tautodetect
Exit SD
Volume and Mute
Commands
Reconfigure DAP After Shutdown
Reconfigure DAP After Shutdown
Stable and
Valid Clocks
Enter
SD
tenterSD
tRL-DV
tPVCCH-I2C
10V
7.5V
Figure 13. Recommended Command Sequence
tRL-PVCCH
10V
7.5V
tPVCCL-VDDH
Parameter
Description
APA3160A
Min. Typ. Max.
tVDDH-DL Time digital inputs must remain low after AVDD/DVDD goes above 3V
0
-
-
tDL-VDDH Time digital inputs must be low before AVDD/DVDD goes below 3V
tVDDH-PVDDL Time PVDD/AVCC remains below 7.5V after AVDD/DVDD goes above 3V
0
-
-
100
-
-
tPVDDL-VDDH Time PVDD/AVCC must be below 7.5V before AVDD/DVDD goes below 3V
0
-
-
tPVDDH-I2C Time PVDD/AVCC must be above 10V before I2C commands may address device 10
-
-
tRL-PVDDH
tRH-I2C
Time PVDD/AVCC must remain above 10V after RST goes low
Time RESET must be high before I2C commands may address device
2
-
-
13.5
-
-
tDV-RH Time digital inputs must be valid (driven as recommended) before RST goes high 100
-
-
Time digital inputs must remain valid (driven as recommended) after RST goes
tRL-DV
low
2
-
-
tautodetect
Auto-detect completion wait time (given stable and valid clocks) before issuing
further commands
50
-
-
texitSD
Exit shutdown wait time before issuing further commands to device (t start given 1+1.3 x
by register 0x1A)
tstart
-
-
tenterSD
Enter shutdown wait time before issuing further commands to device (t stop given 1+1.3 x
by register 0x1A)
tstop
-
-
tPOR
Power-on-reset wait time after 1st trim following AVDD/DVDD power-up (tstart given 240 +
by register 0x1A) (does not apply to trim commands following subsequent resets) 1.3 x tstart
-
-
Unit
µs
ms
µs
ms
Copyright © ANPEC Electronics Corp.
18
Rev. A.6 - Jan., 2013
www.anpec.com.tw
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