FMA1127DC-30S Fujitsu Semiconductor America Inc, FMA1127DC-30S Datasheet - Page 7

• Manufacturer Part Number: FMA1127DC-30S
• Description: IC CTLR TOUCH SENSOR 12CH 30SSOP
• Manufacturer: Fujitsu Semiconductor America Inc

Specifications of FMA1127DC-30S

• Mfg Application Notes: Interfacing FMA1127 with Fujitsu Microcontrollers PCB and Layout Guidelines FMA1127 Initilization and Register
• Touch Panel Interface: *
• Number Of Inputs/keys: *
• Resolution (bits): *
• Data Interface: I²C
• Data Rate/sampling Rate (sps, Bps): *
• Voltage Reference: *
• Voltage - Supply: 2.4 V ~ 5.3 V
• Current - Supply: 140µA
• Operating Temperature: -40°C ~ 90°C
• Mounting Type: Surface Mount
• Package / Case: 30-SSOP
• Output Type: Logic
• Interface: I²C
• Input Type: Logic
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 865-1048-2

There are three modes in APIS:
APIS mode 1: reports the strongest output only (Figure 3).
APIS mode 2: reports all outputs that exceeds pre-defined thresholds (value of Strength Threshold register) (Figure 4).
APIS mode 3: reports two strongest outputs (suitable for multi-touch applications) (Figure 5).
All three modes are described in the Figures below. The red-colored circles and bars show the output.
Touch Interference
Touch Interference
Touch Interference
Area
Area
Area
Real Touch Out put
Real Touc h Output
Real Touc h Output
1
4
7
*
1
4
7
*
1
4
7
*
2
5
8
8
0
0
2
5
8
8
0
0
2
5
8
8
0
0
3
6
9
#
3
6
9
#
3
6
9
#
Touch Output by APIS III
Touc h Out put by APIS I
Touch Output by APIS II
1
4
7
*
1
4
7
*
1
4
7
*
2
5
8
8
0
0
2
5
8
8
0
0
2
5
8
8
0
0
3
6
9
#
3
6
9
#
3
6
9
#
APIS Mode II
APIS Mode III
APIS Mode I
Output Data
Output Data
Output Data
st rength
st rength
st rength
Threshold
Strength
*
*
*
8
8
8
0
0
0
#
#
#
FMA1127DC
Fujitsu Microelectronics America, Inc.
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