fma1127dc Fujitsu Microelectronics, Inc., fma1127dc Datasheet - Page 11

• Manufacturer Part Number: fma1127dc
• Description: Touch Sensor Controller
• Manufacturer: Fujitsu Microelectronics, Inc.

Application Information
Top View of 40-pin Package (40QFN)
Pin Description
RESET_N
CONFIG
Name
A_REF
TCLK
VLDO
GINT
BEEP
TINT
SDA
SCL
VPH
VSS
DIO
V25
ID
S
IO
IO
IO
O
O
O
O
P
P
P
I
I
I
I
I
I
I
1, 2, 9–14, 38–40
18-23 28-33
35, 36
15, 16
Pin #
34
17
27
26
25
24
8
3
4
5
6
7
RESET_N
DIO_5
DIO_4
DIO_3
DIO_2
ID_1
ID_0
S2
S1
S0
Reset, active LOW
External Clock Input. Should be grounded if not used.
Twelve Sensor Inputs from external Touch Pads.
Reference Input.
Configured by HOST:
- extended GPIOs, Direct Button Outputs or External Interrupt inputs
Bidirectional I
I
Touch Interrupt, it can be generated when touch status is changed.
General Interrupts including touch interrupt and EINT. Can be masked.
Beep Output.
I
Test pins. Should be grounded.
Power (2.3V-5.5V)
2.5V Regulator Power Output
2.5V Power Input
Ground
2
2
C CLK from Host
C Chip ID Select(00:0x58, 01:0x59, 10:0x5A, 11:0x5B)
31
32
33
34
35
36
37
38
39
40
FMA1127DC
2
C Data from/to Host
40-Pin QFN
40N
20
19
18
17
16
15
14
13
12
11
Description
S9
S10
S11
AREF
CONFIG_0
CONFIG_1
DIO_6
DIO_7
DIO_8
DIO_9
FMA1127DC
Fujitsu Microelectronics America, Inc.
9