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

부품명 AS3722
상세설명  Multi-Phase DCDC Controller PMIC
PDF  199 Pages
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제조업체  AMSOSRAM [ams-OSRAM AG]
홈페이지  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

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

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Page 84
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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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