QST108 STMicroelectronics, QST108 Datasheet - Page 46

• Manufacturer Part Number: QST108
• Description: Capacitive Touch Sensor Device 8 Keys With Individual Key State Outputs Or I2c Interface
• Manufacturer: STMicroelectronics

Revision history
10
46/47
Revision history
Table 35.
26-Sep-2007
22-Nov-2007
15-Jun-2007
8-Jun-2007
Date
Document revision history
Revision
1
2
3
4
Initial release.
Datasheet status changed to Preliminary Data.
Removed Beeper function.
Changed LED output pins to GPO pins.
Updated pin names and functions in
page
Added
Changed order of chapters in Section 3 for better comprehension.
Removed Simplified independent output mode from
Device operating modes on page
renamed Stand-alone mode.
Added
Removed
descriptions on page
Updated
and
Updated
and
Updated
Added
Updated
Added
Updated
Added
and
Updated
Document status promoted from Preliminary Data to Datasheet.
Added ECOPACK® information.
Updated C
page
Added Caution note in
Added
Updated hex values in
page
Updated
Table 26: Capacitive sensing parameters on page 34
Figure 8: IDD Sleep mode current characteristics on page
Added
Added
Table 7: Output mode (OM) truth table on page
Figure 4: I2C mode typical schematic on page
Section 6.7: RESET pin on page
5.
7.
20.
Figure 2: QTouch™ measuring circuitry on page
Section 4.2: Reset and power-up on page
Figure 5: Optional LED schematic on page
Section 5.2.3: Key balance on page
Section 6.5: Capacitive sensing characteristics on page
Section 4.3: Low power mode on page
Table 31: IRQ specific pin characteristics on page
Section 9: Device revision information on page
Table 6: Max On-Duration (MOD) truth table on page 14
Figure 3: Stand-alone mode typical schematic on page 13
Table 9: I²C address versus option resistor on page
Section 4.5: I2C mode on page
Section 6.4: Supply current characteristics on page
Table 30: I²C characteristics on page
Table 24: Supply current characteristics on page
Power supply option
X
value in
Figure 2: QTouch™ measuring circuitry on
14.
Table 9: I²C address versus option resistor on
Section 3.10: Drift compensation on page
Changes
chapter from
11. Independent output mode
Section 2: Pin description on
36.
15.
25.
Section 4.4.2: Option
13.
37.
11.
17.
16.
15.
Section 4:
and added
44.
7.
39.
33,
33.
QST108
18.
31.
32.
11.