XR20M1170G16-0B Datasheet, PDF (50/56 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO

XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
FIGURE 33. READ MSR TO CLEAR MODEM INT
CS#
REV. 1.1.0
SCLK
SI
R/W A3 A2 A1 A0
0
0
X
SO
IR Q #
D7 D6 D5 D4 D3 D2 D1 D0
TD12
FIGURE 34. READ IOSTATE TO CLEAR GPIO INT
CS#
SCLK
SI
R/W A3 A2 A1 A0
0
0
X
SO
IR Q #
D7 D6 D5 D4 D3 D2 D1 D0
TD13
50