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AS3722 Datasheet(PDF) 85 Page - ams-OSRAM AG

Part # AS3722
Description  Multi-Phase DCDC Controller PMIC
PDF  199 Pages
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Manufacturer  AMSOSRAM [ams-OSRAM AG]
Direct Link  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3722 Datasheet(HTML) 85 Page - ams-OSRAM AG

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Page 84
ams Datasheet
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[v1-01] 2015-Sep-07
AS3722 − Detailed Descriptions- System Functions
The AS3722 is compatible to the NXP two wire specification
http://www.nxp.com/documents/user_manual/UM10204.pdf
Version 4.0 Feb 2012 for standard mode, fast mode, fast mode
plus and high speed mode (up to 2.7MHz for sequential reads).
SPI Protocol
Figure 81:
SPI Single Write
SPI Single Write: Shows the timing of an SPI single write access.
Figure 82:
SPI Single Read
SPI Single Read: Shows the timing of an SPI single write read.
Data is captured at the falling edge of SCLK and written to SDO
at the falling edge of SCLK. The maximum clock rate is 10MHz.
10MHz max.
SDO
SCSB
SDI
1
0
RW
0
0
A7
X
A6 A5
A4
A3
A2
A1
A0
X
X
X
X
B
D7 D6
D5
D4
D3
D2
D1 D0
X
0
SCLK
SPI interface single write
X
XX
X
X
XX
X
0
8
16
24
31
SCLK
SPI interface single read
SDO
SCSB
SDI
RW
0
0
0
0
A7
X
A6 A5
A4
A3
A2
A1
A0
X
X
X
X
D7 D6
D5
D4
D3
D2
D1 D0
X
X
B
0
10MHz max.
0
8
16
24
31



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