sx8675iwltrt Semtech Corporation, sx8675iwltrt Datasheet - Page 11

• Manufacturer Part Number: sx8675iwltrt
• Description: Haptics Enabled Multitouch 4/5-wire Resistive Touchscreen Controller With Proximity Sensing
• Manufacturer: Semtech Corporation

ADVANCED COMMUNICATIONS & SENSING
(1)
(2)
Rev 1 – 25
Symbol
Reset
I2C Interface
Miscellaneous
FOSCH
FOSCL
Guaranteed by design.
PWM mode can introduce an additional error of 2.5% of full scale.
t
t
t
t
t
VPOR
HD;STA
SU;STA
HD;DAT
SU;DAT
SU;STO
t
t
t
t
f
t
RESET
PULSE
HIGH
LOW
C
t
SCL
BUF
SP
t
t
r
f
b
th
Description
Power-On-Reset voltage
Reset time after POR
Reset pulse from host uC
SCL clock frequency
Hold time (repeated) START
condition
LOW period of the SCL clock
HIGH period of the SCL clock
Set-up time for a repeated
START condition
Data hold time
Data set-up time
Rise time of both SDA and SCL
Fall time of both SDA and SCL
Set-up time for STOP condition
Bus free time between a STOP
and START condition
Capacitive load for each bus line
Pulse width of spikes
suppressed by the input filter
Low frequency internal oscillator
High frequency internal oscillator
July 2011
Table 4 – Electrical Specifications
GND, down to 0.7xVDD
Up to 0.3xVDD from
Resistive Touchscreen Controller with Proximity Sensing
Conditions
11
from VDD
Cf. § 10
Cf. § 10
Cf. § 10
-
-
-
-
-
-
-
-
-
-
-
-
-
-
SX8674/SX8675/SX8676
Haptics Enabled Multitouch 4/5-Wire
20+0.1C
20+0.1C
Min
100
0.6
1.3
0.6
0.6
0.6
1.3
50
0
-
-
-
-
1
-
-
b
b
Typ.
1.8
32
1.3
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
www.semtech.com
Max
400
300
300
400
-
-
-
-
-
-
-
-
-
-
-
1
-
-
kHz
MHz
Unit
kHz
V
ms
us
pF
µs
µs
µs
µs
µs
ns
ns
ns
µs
µs
ns