XR20M1170G16-0B Datasheet, PDF (49/56 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO

REV. 1.1.0
FIGURE 31. SPI WRITE MCR TO DTR OUTPUT SWITCH
CS#
XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
SCLK
SI
DTR#
(G PIO 5)
R /W A3
A2
A1
A0
0
0
X
D7
D6
D5
D4
D3
D2
D1
D0
T D10
FIGURE 32. SPI WRITE THR TO CLEAR TX INT
CS#
SCLK
SI
R/W A3 A2 A1 A0
0
0
X
D7 D6 D5 D4 D3 D2 D1 D0
G P IO x
td 1 1
IR Q #
49