QST104 STMicroelectronics, QST104 Datasheet - Page 5

• Manufacturer Part Number: QST104
• Description: Capacitive touch sensor device 4 keys
• Manufacturer: STMicroelectronics

QST104
2
Table 2.
Pin
1
2
3
4
5
GPO4/OPT4/KOUT4
GPO5/OPT5
OPT6/IRQ
I2C_SDA
I2C_SCL
Device pin description
Pin name
Pin description
Figure 1.
1. An external pull-up is required on these pins.
(3)
(3)
(2)
(2)
(HS) 20 mA high sink capability (on N-buffer only)
GPO4/KOUT4/OPT4 (HS)
(2)
32-pin package pinout
PP (HS)
PP (HS) MOD_1 option resistor
Type
PP/OD
GPO5/OPT5 (HS)
(HS)
TOD
(HS)
TOD
(HS)
I2C_SDA
I2C_SCL
IRQ/OPT6 (HS)
(1)
Key 4 output / BCD output 4
and MOD_0 option resistor
OM_0 option resistor
Stand-alone mode function
RESET
1)
1)
V
(HS)
(HS)
DD_1
NC
1
2
3
4
5
6
7
8
32 31 30 29 28 27 26 25
9 10 11 12 13 14 15 16
QST104KT6
General-purpose output 4
and I²C address bit 2
option resistor
General-purpose output 5
Interrupt line (active low)
I
I
2
2
C serial data
C serial clock
24
23
22
21
20
19
18
17
I
2
C mode function
GPO8
GPO7
GPO6
SNSK_SCK4
SNS_SCK4
SNSK_SCK3
SNS_SCK3
SNSK_SCK2
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Pin description
Option
resistor
Open or
option
resistor
Open or
option
resistor
Open
Open
If unused
5/45