XR20V2170 Datasheet, PDF (41/52 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER

REV. 1.0.0
XR20V2170
I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
AC ELECTRICAL CHARACTERISTICS - I2C-BUS TIMING SPECIFICATIONS
Unless otherwise noted: TA=-40^o to +85^oC, Vcc=2.97 - 3.63V
SYMBOL
PARAMETER
f_SCL
T_BUF
T_HD;STA
T_SU;STA
T_HD;DAT
T_VD;ACK
T_VD;DAT
T_SU;DAT
T_LOW
T_HIGH
T_F
T_R
T_SP
T_D1
T_D2
T_D3
T_D4
T_D5
T_D6
T_D7
T_D8
T_D15
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
I²C-bus GPIO output valid
I²C-bus modem input interrupt valid
I²C-bus modem input interrupt clear
I²C input pin interrupt valid
I²C input pin interrupt clear
I²C-bus receive interrupt valid
I²C-bus receive interrupt clear
I²C-bus transmit interrupt clear
SCL delay after reset
STANDARD MODE
I2C-BUS
MIN
MAX
0
100
FAST MODE
I2C-BUS
MIN
MAX
0
400
4.7
1.3
4.0
0.6
4.7
0.6
0
0
0.6
0.6
0.6
0.6
250
150
4.7
1.3
4.0
0.6
300
300
1000
300
0.5
0.5
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
0.2
1.0
0.5
3
3
UNIT
kHz
µs
µs
µs
ns
µs
ns
ns
µs
µs
ns
ns
µs
µs
µs
µs
µs
µs
µs
µs
µs
µs
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