XR20V2172 Datasheet, PDF (2/51 Pages) Exar Corporation – TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER

XR20V2172
PRELIMINARY
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
FIGURE 2. PIN OUT ASSIGNMENT
REV. P1.0.1
GND 1
SDA 2
N.C. 3
CTSB 4
RTSB 5
RXB_SEL 6
RXB 7
TXB 8
N.C. 9
N.C. 10
N.C. 11
DTRB 12
RIB 13
DSRB 14
XTAL1 15
GND 16
XR20V2172
64-pin QFN
48 N.C.
47 N.C.
46 N.C.
45 VCC
44 C2+
43 C2-
42 TXDA
41 DTRA
40 DSRA
39 RXDA
38 IRQ#
37 N.C.
36 GND
35 N.C.
34 N.C.
33 SCK
ORDERING INFORMATION
PART NUMBER
XR20V2172IL64
PACKAGE
64-pin QFN
OPERATING TEMPERATURE RANGE
-40°C to +85°C
DEVICE STATUS
Active
2