xr20m1170 Exar Corporation, xr20m1170 Datasheet - Page 44
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 - I2C-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40
T
S
T
T
T
T
T
T
VD;ACK
T
YMBOL
T
HD;STA
SU;STA
HD;DAT
VD;DAT
SU;DAT
T
f
T
T
T
T
T
T
T
T
T
HIGH
SCL
LOW
T
T
BUF
D15
SP
D1
D2
D3
D4
D5
D6
D7
D8
F
R
Operating frequency
Bus free time between STOP and START
START condition hold time
START condition setup time
Data hold time
Data valid acknowledge
SCL LOW to data out valid
Data setup time
Clock LOW period
Clock HIGH period
Clock/data fall time
Clock/data rise time
Pulse width of spikes tolerance
I
I
I
I
I
I
I
I
SCL delay after reset
2
2
2
2
2
2
2
2
C-bus GPIO output valid
C-bus modem input interrupt valid
C-bus modem input interrupt clear
C input pin interrupt valid
C input pin interrupt clear
C-bus receive interrupt valid
C-bus receive interrupt clear
C-bus transmit interrupt clear
o
to +85
P
ARAMETER
o
C, Vcc=1.62 - 3.63V
44
S
M
TANDARD
250
4.7
4.0
4.7
4.7
4.0
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
IN
0
0
3
I2C-B
US
1000
M
100
300
M
0.6
0.6
ODE
AX
M
150
1.3
0.6
0.6
1.3
0.6
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.5
F
IN
0
0
3
AST
I2C-B
M
ODE
US
400
300
300
M
0.6
0.6
AX
REV. 1.0.0
U
kHz
µ s
µ s
µ s
ns
µ s
ns
ns
µ s
µ s
ns
ns
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
µ s
NIT