E240B QUANTUM ATMEL, E240B Datasheet - Page 11

• Manufacturer Part Number: E240B
• Description: QT240 4 Key Qtouch Evaluation Kit
• Manufacturer: QUANTUM ATMEL

Specifications of E240B

• Silicon Manufacturer: Atmel
• Application Sub Type: Touch Sensor
• Kit Application Type: Sensing - Touch / Proximity
• Silicon Core Number: QT240
• Kit Contents: Board And Literature
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

10
Jumpers 1, 2 and 3 set the mode to Fast (40msec response) or Slow (110msec response),
Spread Spectrum, and external sync.
Jumpers 4 and 5 set Normal or Toggle mode, and max on-duration time (delay to recal after
prolonged detection).
Table 2 — Jumpers 1, 2, 3: Fast, Slow, Spread Spectrum Modes
Table 3 — Jumpers 4, 5: Toggle, Max On-Duration Settings
* Max On-Duration is the amount of continuous detection time before the key auto-recalibrates.
Fast Mode & Spread Spectrum
Slow Mode & External Sync
Toggle mode
Output
Normal
Normal
Normal
Mode
Slow Mode Only
Fast Mode Only
Description
OPTION JUMPERS
Duration*
Max On-
10 secs
60 secs
10 secs
Infinite
JMP 1
None
None
B
A
JMP 4
JMP 2
B
A
B
A
None
None
None
Yes
JMP 5
JMP 3
A
B
B
A
B
B
A
A
Factory
Factory
Default
Default