XR20M1170 Datasheet, PDF (51/60 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO

REV. 1.0.0
FIGURE 34. READ IOSTATE TO CLEAR GPIO INT
CS#
XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
SCLK
SI
R/W A3 A2 A1 A0 CH1 CH0 X
SO
IRQ#
FIGURE 35. READ RHR TO CLEAR RX INT
CS#
D7 D6 D5 D4 D3 D2 D1 D0
TD13
SCLK
SI
R/W A3 A2 A1 A0 CH1 CH0 X
SO
IRQ#
D7 D6 D5 D4 D3 D2 D1 D0
TD14
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