xr20v2172 Exar Corporation, xr20v2172 Datasheet - Page 47

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

REV. 1.0.0
F
F
IGURE
IGURE
(GPIO5)
GPIOx
SCLK
DTR#
CS#
SCLK
CS#
SI
SI
25. SPI W
26. SPI W
RITE
RITE
R/W
R/W
MCR
MCR
A3
A3
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
TO
A2
TO
A2
DTR O
DTR O
A1
A1
A0
UTPUT
UTPUT
A0
CH1
CH1
S
S
WITCH
WITCH
CH0
CH0
47
X
X
D7
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
XR20V2172
D0
D0
T
T
D10
D9