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BCM43903KUBGT Datasheet, PDF (77/87 Pages) Cypress Semiconductor – WICED™ IEEE 802.11 b/g/n SoC with an Embedded Applications Processor
BCM43903 Preliminary Data Sheet
SPI Flash Characteristics
Section 17: SPI Flash Characteristics
SPI Flash Timing
Read-Register Timing
Figure 13 shows the SPI flash extended and quad read-register timing.
Note: Regarding Figure 13: All Read Register commands except Read Lock Register are supported. A Read Nonvolatile Configuration
Register operation will output data starting from the least significant byte.
Figure 13: SPI Flash Read-Register Timing
Extended
C
DQ0
DQ1
0
Command
MSB
High-Z
Quad
C
DQ[3:0]
0
Command
MSB
7
8
LSB
DOUT
MSB
1
2
LSB
DOUT
MSB
9
10
DOUT
DOUT
3
LSB
DOUT
DOUT
11
DOUT
12
DOUT
13
14
15
DOUT
DOUT
LSB
DOUT
DOUT
Don’t care
Broadcom®
March 12, 2016 • 43903-DS102-R
BROADCOM CONFIDENTIAL
Page 76