xr20v2172 Exar Corporation, xr20v2172 Datasheet - Page 48

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

XR20V2172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
F
F
IGURE
IGURE
SCLK
IRQ#
CS#
SO
SI
GPIOx
SCLK
IRQ#
CS#
SI
27. SPI W
28. R
EAD
R/W
MSR
RITE
R/W
THR
A3
TO
A3
C
A2
TO
LEAR
A2
C
LEAR
A1
M
A1
ODEM
A0
TX INT
A0
INT
CH1
CH1
CH0
CH0
48
X
X
T
D7
D12
D7
D6
D6
D5
D5
D4
D4
D3
D3
D2
D2
D1
D1
D0
D0
td11
REV. 1.0.0