xr20m1170 Exar Corporation, xr20m1170 Datasheet - Page 46
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xr20m1170
Manufacturer Part Number
xr20m1170
Description
I2c/spi Uart With 64-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR20M1170.pdf
(60 pages)
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XR20M1170
I2C/SPI UART WITH 64-BYTE FIFO
F
F
IGURE
IGURE
GPIOn
IRQ#
SDA
MODEM pin
IRQ#
SDA
24. M
25. GPIO P
ODEM
ADDRESS
SLAVE
ADDRESS
IN
I
SLAVE
NPUT
I
NTERRUPT
P
IN
W
I
NTERRUPT
W
T
A
D2
A
IOSTATE REG.
MSR REGISTER
T
D4
ACK from slave
A
46
A
S
S
ADDRESS
ADDRESS
SLAVE
SLAVE
ACK from slave
R
R
A
A
T
T
DATA
D5
DATA
D3
ACK from master
A
A
REV. 1.0.0
P