QST108 STMicroelectronics, QST108 Datasheet - Page 6

• Manufacturer Part Number: QST108
• Description: Capacitive Touch Sensor Device 8 Keys With Individual Key State Outputs Or I2c Interface
• Manufacturer: STMicroelectronics

Pin description
2
Table 2.
6/47
Pin
1
2
3
4
5
GPO4/OPT4/KOUT4
GPO5/OPT5/KOUT5
OPT6/KOUT6/IRQ
KOUT7/I2C_SDA
KOUT8/I2C_SCL
Device pin description
Pin name
Pin description
Figure 1.
1. An external pull-up is required on these pins.
(HS) 20 mA high sink capability (on N-buffer only)
(3)
(3)
(2)
GPO4/KOUT4/OPT4 (HS)
GPO5/KOUT5/OPT5 (HS)
I2C_SDA/KOUT7
I2C_SCL/KOUT8
(2)
(2)
IRQ/KOUT6/OPT6 (HS)
32-pin package pinout
PP (HS)
PP (HS)
Type
PP/OD
(HS)
TOD
(HS)
TOD
(HS)
(1)
Key 4 output / BCD output 4
and MOD_0 option resistor
Key 5 output and
MOD_1 option resistor
Key 6 output and
OM_0 option resistor
Key 7 output
Key 8 output
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
QST108KT6
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
SNS_SCK6
SNSK_SCK5
SNS_SCK5
SNSK_SCK4
SNSK_SCK3
SNS_SCK3
SNSK_SCK2
SNS_SCK4
Option
resistor
Open or
option
resistor
Open or
option
resistor
Open
Open
If unused
QST108