参数资料
型号: MAX14820ETG+T
厂商: Maxim Integrated Products
文件页数: 19/30页
文件大小: 0K
描述: IC IO-LINK TXRX 24TQFN
标准包装: 2,500
系列: *
MAX14820
IO-Link Device Transceiver
26
Maxim Integrated
SPI Interface
The device communicates through an SPI-compatible
4-wire serial interface. The interface has three inputs—
clock (SCLK), chip select (CS), and data in (SDI)—and
one output, data out (SDO). The maximum SPI clock rate
for the device is 12MHz. The SPI interface complies with
clock polarity CPOL = 0 and clock phase CPHA = 0 (see
The SPI interface is not available when V5 or VL are not
present.
Figure 10. SPI Write Cycle
Figure 11. SPI Read Cycle
R0
D7
D6
D5
D4
D3
D2
D1
D0
SCLK
R_ = REGISTER ADDRESS
D_ = DATA BIT
= CLOCK EDGE THAT INITIATES LATCHING OF SDI DATA
SDI
W
00000
R1
CS
SCLK
SDI
00
0R1R0
R
D7
D6
D5
D4
D3
D2
D1
D0
SDO
X
R_ = REGISTER ADDRESS
D_ = DATA BIT
= CLOCK EDGE THAT INITIATES LATCHING OF SDI DATA
= CLOCK EDGE THAT INITIATES WRITING OF SDO DATA
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