SX8650 Datasheet, PDF (13/56 Pages) Semtech Corporation – World’s Lowest Power & Smallest Footprint 4-wire Resistive Touchscreen Controller with 15kV ESD

SX8650
World’s Lowest Power & Smallest Footprint 4-wire
Resistive Touchscreen Controller with 15kV ESD
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
2.5. Host Interface Specifications
Parameter
Symbol
I2C TIMING SPECIFICATIONS ⁽ⁱ⁾
SCL clock frequency
f_SCL
SCL low period
t_LOW
SCL high period
t_HIGH
Data setup time
t_SU;DAT
Data hold time
t_HD;DAT
Repeated start setup time
t_SU;STA
Start condition hold time
t_HD;STA
Stop condition setup time
t_SU;STO
Bus free time between stop and start
t_BUF
Data valid time
t_VD;DAT
Data valid ack time
t_VD;ACK
Pulse width of spikes that must be
t_SP
suppressed by the input filter
I2C BUS SPECIFICATIONS
Capacitive Load on each bus line SCL, SDA C_b
Condition
Min
Typ
Max
Unit
0
400
kHz
1.3
us
0.6
us
100
ns
0
ns
0.6
us
0.6
us
0.6
us
1.3
us
0.9
us
0.9
us
50
ns
400
pF
Table 6. Host Interface Specifications
Notes:
(i) All timing specifications refer to voltage levels (V_IL, V_IH, V_OL) defined in Table 5 unless otherwise mentioned.
ACS Revision V2.15/October 2009
©2009 Semtech Corp.
Page 12
www.semtech.com