QST608 ST Microelectronics, QST608 Datasheet - Page 17

• Manufacturer Part Number: QST608
• Description: Capacitive touch sensor device
• Manufacturer: ST Microelectronics

www.datasheet4u.com
QST608
4.9
Note:
Supported commands
Table 4
For more information on the supported commands and I
standard communication protocol reference manual.
Table 4.
CALIBRATE_KEY (All keys)
Write
Read
CALIBRATE_KEY (Single key)
Write
Read
GET_DEBUG_INFO
Write
Read
(SCKey)
Read
(MCKey)
GET_DEVICE_INFO
Write
Read
GET_KEY_ERROR
Write
Read
lists the supported I²C commands and available arguments.
I
2
0x98
ErrCode
ErrCode
0xF7 KeyID Checksum
0x0B KeyDbgState
RefMSB RefLSB
BCMSB BCLSB
Checksum
0x1C KeyDbgState
KeyPos RefAMSB
RefALSB BCAMSB
BCALSB RefBMSB
RefBLSB BCBMSB
BCBLSB RefCMSB
RefCLSB BCCMSB
BCCLSB Checksum
0x15 MainVers SubVers
NbSCkey NbMCkey
‘Q’ ’S’ ‘T’ ‘6’ ‘0’ ‘8’
Checksum
0xC4
0x11 KeyError1
KeyError2 ... KeyError8
CheckSum
0x9B KeyID Checksum
0x85
C commands
Supported commands
Forces the recalibration of all keys.
Forces the recalibration of a single key.
Returns the debug info of the single KeyID channel.
Answer for single-channel key.
Answer for multi-channel key.
Returns the QST608 device version and ASCII-coded device
name. This command must be sent first to enable the
communication flow.
Returns the error information on each key.
ErrCode: Standard Error code (see
KeyId: Binary-coded key number (see
ErrCode: Standard Error code (see
KeyId: Binary-coded key number (see
KeyDbgState: Current Key Debug state (see
RefMSB: Reference Count MSB
RefLSB: Reference Count LSB
BCMSB: Burst Count MSB
BCLSB: Burst Count LSB
KeyDbgState: Current Key Debug state (see
KeyPos: Current key position (8-bit resolution)
RefnMSB: Reference n Count MSB
RefnLSB: Reference n Count LSB
BCnMSB: Burst Count n MSB
BCnLSB: Burst Count n LSB
MainVers: Device main version
SubVer: Device sub-version
NbSCkey: 0x05 single-channel keys
NbMCkey: 0x01 multi-channel key
Q S T 6 0 8: ASCII-coded device name
KeyErrorN: KeyError byte description (see
2
C protocol, please refer to the QST
Description
Device operating mode
Table
Table
Table
Table
5)
5)
Table
8)
8)
Table
Table
6)
13)
13)
17/44