E6248 QUANTUM ATMEL, E6248 Datasheet - Page 6

• Manufacturer Part Number: E6248
• Description: QT60248 24 Key Matrix Panel Qtouch Evaluation Kit
• Manufacturer: QUANTUM ATMEL

Specifications of E6248

• Silicon Manufacturer: Atmel
• Application Sub Type: Touch Sensor
• Kit Application Type: Sensing - Touch / Proximity
• Silicon Core Number: QT60168 QT60248

6
The settings window (QmSettings) allows you to easily visualise and modify the setup of the
chip. Clicking the Read button in the main window will bring up the current setup of your chip.
When a setup option is being modified, its value becomes bold and the Send button will become
active to indicate that the setup displayed is different from the setup on the chip. Clicking the Send
button will transfer the new setup block to the chip. The part must be reset for its new settings to
become active.
KEY SETTINGS (please see your datasheet for a more detailed explanation of key settings)
NTHR — Negative Threshold is used to adjust the sensitivity of a key. Higher values make keys
less sensitive. Lower values make keys more sensitive.
NDRIFT — Negative Drift is the rate at which drift compensation is carried out for a negative
going signal (when a key is touched or receives increased loading). The value is in sec/ reference
level. For a positive going signal, drift rate is fixed at 0.4 sec. Drift compensation helps to
eliminate environmental effects on the chip.
Press Ctrl + Key
to select multiple
keys — changes
will then apply to
all selected keys
Make Changes to
Individual Keys
Click Here to
Key Number
Setups for
All Keys
SETTINGS WINDOW
Global Settings
value becomes
Key Settings
(see below)
Option Box
(see below)
(see below)
bold when
Logging
changed