xr20v2172 Exar Corporation, xr20v2172 Datasheet - Page 5

• Manufacturer Part Number: xr20v2172
• Description: Two Channel I2c/spi Uart With 64-byte Fifo And Rs232 Transceiver
• Manufacturer: Exar Corporation

REV. 1.0.0
Pin Description
N
OTE
: Pin type: I=Input, O=Output, I/O= Input/output, OD=Output Open Drain.
N
indicates a voltage in the range 0V to VIL and ’HIGH" indicates a voltage in the range VIH to VCC. For RS-232
input voltage levels, ’LOW’ is any voltage < -3V and ’HIGH’ is any voltage > 3V. For RS-232 output voltage levels,
’LOW’ is any voltage < -5V and ’HIGH’ is any voltage > 5V.
NC
AME
3, 9, 10, 11, 18,
22, 23, 26, 30,
31, 32, 34, 36,
37, 46, 47, 48,
64-QFN
49, 55
P
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
IN
#
T
YPE
-
No Connection.
5
D
ESCRIPTION
For CMOS/TTL Voltage levels, ’LOW’
XR20V2172