I²C/SPI UARTs
I2C/SPI Universal Asynchronous Receiver-Transmitter (UARTs) that include a simple 2-wire (I2C) or 4-wire (SPI) interface
Interface Brochure
Product Portfolio
XR20M1170
I²C/SPI UART with 64-Byte FIFO
NRND
(Not Recommended for New Designs)
I²C/SPI UART with 64-Byte FIFO
I2C/SPI
1
16
12.5
8
64/64
✔
✔
✔
✔
-
✔
✔
-
-
1.62 to 3.63
n/a;TSSOP-16,n/a;TSSOP-24,8;QFN-16,8;QFN-24
VCC
VCC
-40 to 85
TSSOP-16, TSSOP-24, QFN-16, QFN-24
XR20M1172
Dual Channel I²C/SPI UART with 64-Byte FIFO
NRND
(Not Recommended for New Designs)
Dual Channel I²C/SPI UART with 64-Byte FIFO
I2C/SPI
2
16
12.5
8
64/64
✔
✔
✔
✔
-
✔
✔
-
-
1.62 to 3.63
8;QFN-32,
8;TSSOP-28
VCC
VCC
-40 to 85
QFN-32, TSSOP-28
XR20M1280
I2C/SPI UART with 128-Byte FIFO and Integrated Level Shifters
Active
I2C/SPI UART with 128-Byte FIFO and Integrated Level Shifters
I2C/SPI
1
24
16
10
128/128
✔
✔
✔
✔
✔
✔
✔
✔
✔
1.62 to 3.63
4;QFN-24,8;QFN-32
5.5
1.62-3.63
-40 to 85
QFN-24, QFN-32
