QST108 STMicroelectronics, QST108 Datasheet - Page 25

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

QST108
GPO state description
Table 16.
GPOState
AKS group mode description
Table 17.
AKSGrpnMode
AKS group selection description
Table 18.
Grpx
AKSGrp8
Mode
Grp8
Bit 7
Bit 7
Bit 7
Defines the state of the selected general-purpose output pin. For more information, see
Section 4.6.2: General-purpose outputs on page
Defines the type of AKS for the Group n:
The selected key is a member of AKS Group x.
0
0: GPO state is ‘0’
1: GPO state is ‘1’
0: Locking AKS
1: Unlocking AKS
GPOState
AKSGrpnMode
AKSGrp7
KeynGrp
First key pressed within the group locks out all other keys.
Most heavily pressed key (highest signal level) is selected over all other
keys in the group.
Mode
Grp7
Bit 6
Bit 6
Bit 6
0
AKSGrp6
Mode
Grp6
Bit 5
Bit 5
Bit 5
0
AKSGrp5
GPO 5
Mode
Grp5
Bit 4
state
Bit 4
Bit 4
AKSGrp4
GPO 4
Mode
Grp4
Bit 3
state
Bit 3
Bit 3
19.
AKSGrp3
GPO 3
Mode
state
Grp3
Bit 2
Bit 2
Bit 2
Device operating modes
AKSGrp2
GPO 2
Mode
state
Grp2
Bit 1
Bit 1
Bit 1
AKSGrp1
GPO 1
Mode
Grp1
Bit 0
state
Bit 0
Bit 0
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