STM8T141 STMicroelectronics, STM8T141 Datasheet - Page 19

• Manufacturer Part Number: STM8T141
• Description: Single-channel capacitive sensor for touch or proximity detection with shielded sensing electrode
• Manufacturer: STMicroelectronics

STM8T141
Table 6.
OPT1
OPT0
byte no.
Option
Bits [7:3]: Reserved
Bit 2: Sampling period (t
Bit 1: Charge transfer frequency (f
Bit 0: Reserved
Bits [7:6]: Power mode
Bits [5:4]: Detection threshold
Bits [3:2]: Reference freeze timeout
Bits [1:0]: TOUT/POUT output mode
Option byte description
0: Conversion period is 20 ms
1: Conversion period is 10 ms
0: 125 kHz
1: 250 kHz
00: Low Power mode with Zoom
01: Normal Power mode
10: Extreme Low Power mode with Zoom
11: Extreme Low Power mode
00: Standard proximity
01: Standard touch
10: Sensitive proximity
11: Sensitive touch
00: 15-second reference freeze timeout
01: 45-second reference freeze timeout
10: Reserved
11: Infinite reference freeze
00: Active mode
01: Toggle mode
10: 3-second Latch mode
11: 30-second Latch mode
Doc ID 15699 Rev 7
(Section 7.4: Power
SAMPLING
(Section 7.3: Detection
)(Section 7.6: Sampling
TRANSFER
(Section 5.3.2: Reference freeze
Description
(Section 7.2: TOUT/POUT output
)(Section 7.5: Charge transfer
modes)
threshold)
period)
Device operation
timeout)
mode)
frequency)
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