CRTOUCH Datasheet, PDF (60/68 Pages) Freescale Semiconductor, Inc – Capacitive and Resistive Touch Sensing Application Specific IC.

Electrical Specifications
A.2 UART timing specifications
Description
Min
Typical
Max
Unit
Reading response time
—
57
75
S
Writing response time
—
81
110
S
Auto baudrate pulse width
1.5
—
—
ms
Time between auto baudrate pulse and 2
—
—
ms
first synchronization byte
Auto baudrate timeout
—
—
1.1
s
A.3 ESD handling ratings
Symbol
Description
Min.
Max.
Unit
V_HBM
Electrostatic discharge voltage,
-2000
+2000
V
human body model
V_CDM
Electrostatic discharge voltage,
-500
+500
V
charged-device model
I
Latch-up current at ambient
temperature of 105°C
-100
+100
mA
Notes
1
2
1. Determined according to JEDEC Standard JESD22-A114, Electrostatic Discharge (ESD) Sensitivity Testing Human Body Model
(HBM).
2. Determined according to JEDEC Standard JESD22-C101, Field-Induced Charged-Device Model Test Method for
Electrostatic-Discharge-Withstand Thresholds of Microelectronic Components.
A.4 I2C timing specifications
Description
Reading frame duration
Writing frame duration
Min
Max
Unit
214
1700
S
300
1800
S
A.5 Capacitive electrodes specifications
Description
Min
Typical
Max
Unit
Electrode capacitance range
1
20
500
pF
Capacitive electrodes sampling peroid —
7
—
mS
CRTouch Data Sheet, Rev. 3
60
Freescale Semiconductor