XR20M1172G28-0B Datasheet, PDF (52/55 Pages) Exar Corporation – TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO

XR20M1172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
FIGURE 34. READ IOSTATE TO CLEAR GPIO INT
CS#
REV. 1.2.0
SCLK
SI
R/W A3 A2 A1 A0
0
CH
X
SO
IR Q #
D7 D6 D5 D4 D3 D2 D1 D0
TD13
FIGURE 35. READ RHR TO CLEAR RX INT
CS#
SCLK
SI
R /W A3 A2 A1 A0
0
CH
X
SO
IR Q #
D7 D6 D5 D4 D3 D2 D1 D0
TD14
52