E3A Atmel, E3A Datasheet - Page 9

• Manufacturer Part Number: E3A
• Description: BOARD EVALUATION FOR QT300
• Manufacturer: Atmel
• Series: Quantum, QTouch™r

Specifications of E3A

• Sensor Type: Touch, Capacitive
• Sensing Range: 1 Button/Key
• Interface: SPI Serial
• Voltage - Supply: 2 V ~ 5.5 V
• Embedded: No
• Utilized Ic / Part: QT300
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Sensitivity: -
• Other names: 427-1069

LQ
1W UART
Description
Clock Speed
MSB-LSB
Spacing
Mode
Symbol
Tstart
Tstop
Tacq
Tmls
MSB
Twu
LSB
Tsb
Tbr
Twu
Tbr
Symbol
SCD
MLS
Tsb
SM
Baud rate match accuracy
MSB-LSB spacing
Baud rate range
Acquisition time
Baud set pulse
Baud end level
Wake level
Parameter
Start pulse
Stop pulse
0
1
2
3
4
Valid Values
-
-
Tacq
Master Clock
Master Clock
Slave Clock
Slave Clock
0 - 255
0 - 255
1W UART
Table 7-4 Setups summary chart
Idle High
Idle High
Idle Low
Idle Low
Table 7-3 1W UART Timing
Figure 7-3 1W UART Mode
Tstart
4,800
min
104
30
30
8
-
8 x Tbr
8 x Tbr
9
Slave Clock
8bits MSB
Tbr
Tbr
Default
Idle Low
148
5,000
5,000
9,600
55
max
3
210
400
850
2
Tstop
Depends on Cs and Cx
8 bits data, LSB first
Tscd = (30 + (SCD x 8))/1.2
Tmls = (10 + (MLS x 4))/1.2
Tmls
Calculation / Notes
Notes
-
-
-
-
-
-
-
-
-
8bits LSB
QT300 R1.01 21/09/03
Units
ms
µs
µs
µs
µs
µs
µs
%
Unit
µs
µs
-