stmpe16m31 STMicroelectronics, stmpe16m31 Datasheet - Page 63

• Manufacturer Part Number: stmpe16m31
• Description: S-touch? 16/24-channel Touchkey Controller With Pwm And Ratio Engines
• Manufacturer: STMicroelectronics

STMPE16M31, STMPE24M31
RATIO_ENG_STA
Address:
Type:
Reset:
Description:
RATIO_ENG_DATA-n (engineering samples)
Address:
Type:
Reset:
Description:
1
2
st
nd
byte [7:0]
byte [15:8]
RW
RW
RW
7
0
7
0
7
0
[7:2] RESERVED
[1] MT2
[0] MT1
RW
RW
RW
6
0
6
0
6
0
Read ‘1’ when more than 1 touch is detected in Ratio Engine 2
Read ‘1’ when more than 1 touch is detected in Ratio Engine 1
0x83
R
0x00
This register report the event of multi touch in the ratio engine.
0x84-0x86, 0x87-0x89
R
0x0000
Position of the touch as calculation output of ratio engine1 and 2. Data is organized
as a “packet“ of 3 bytes. The data is backed by 4-level of buffer.
RW
RW
RW
5
0
5
0
5
0
RESERVED
MOV[5:0]
Doc ID 16174 Rev 3
RW
RW
RW
4
0
4
0
4
0
POS[7:0]
RW
RW
RW
3
0
3
0
3
0
Ratio engine -1, -2 data registers
Ratio engine status register
RW
RW
RW
2
0
2
0
2
0
Touch sensor controller
MT2
RW
RW
RW
1
0
1
0
1
0
POS[9:8]
MT1
RW
RW
RW
0
0
0
0
0
0
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