xr20m1170 Exar Corporation, xr20m1170 Datasheet - Page 48
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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
AC ELECTRICAL CHARACTERISTICS - SPI-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40
F
IGURE
S
SCLK
CS#
SO
T
YMBOL
T
T
SI
T
T
T
T
T
T
T
T
T
T
T
T
T
CSW
CSS
CSH
D10
D12
D13
D14
D11
DO
TR
DS
DH
CP
CH
CL
D9
29. SPI-B
T
CSH
CS# HIGH to SO three-state time
CS# to SCL setup time
CS# to SCL hold time
SCL fall to SO valid time
SI to SCL setup time
SI to SCL hold time
SCL period
SCL HIGH time
SCL LOW time
CS# HIGH pulse width
SPI output data valid
SPI modem output data valid
SPI transmit interrupt clear
SPI modem input interrupt clear
SPI input pin interrupt clear
SPI receive interrupt clear
US
T
T
CSS
DS
T
IMING
T
DH
o
to +85
P
ARAMETER
T
CL
o
C, Vcc=1.62 - 3.63V
T
CH
...
...
...
...
48
M
100
100
250
100
100
200
200
200
200
200
200
200
20
20
IN
T
DO
100
100
M
AX
T
CSH
U
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NIT
T
TR
C
C
T
C
T
CSW
L
L
ONDITIONS
CH
= 100 pF
= 100 pF
REV. 1.0.0
+ T
CL