xr20m1280 Exar Corporation, xr20m1280 Datasheet - Page 59

• Manufacturer Part Number: xr20m1280
• Description: I2c/spi Uart With 128-byte Fifo And Integrated Level Shifters
• Manufacturer: Exar Corporation

REV. P1.1.1
F
F
IGURE
IGURE
SCLK
IRQ#
CS#
SCLK
IRQ#
SO
CS#
SO
SI
SI
34. R
35. R
EAD
EAD
R/W
R/W
GPIOLVL
RHR
A3
A3
TO
C
A2
A2
LEAR
TO
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
C
A1
LEAR
A1
RX INT
A0
A0
GPIO INT
CH1
CH1
CH0
CH0
PRELIMINARY
59
X
X
T
T
D13
D14
D7
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
XR20M1280
D0
D0