STEVAL-ICB002V1 STMicroelectronics, STEVAL-ICB002V1 Datasheet - Page 39
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STEVAL-ICB002V1
Manufacturer Part Number
STEVAL-ICB002V1
Description
BOARD EVAL TOUCH STM32/STMPE821
Manufacturer
STMicroelectronics
Datasheets
1.STMPE821QTR.pdf
(50 pages)
2.STEVAL-PCC009V3.pdf
(17 pages)
3.STEVAL-ICB002V1.pdf
(4 pages)
Specifications of STEVAL-ICB002V1
Sensor Type
Touch, Capacitive
Sensing Range
3 Button/Key
Interface
USB
Voltage - Supply
3.3V
Embedded
Yes, MCU, 32-Bit
Utilized Ic / Part
STMPE821
Silicon Manufacturer
STMicroelectronics
Kit Contents
Board
Features
PWM/GPIO Output, Multiple Touch Detection, Demonstrates Up To 3 Capacitive Touch Keys
Svhc
No SVHC (15-Dec-2010)
For Use With
497-10173 - BOARD EVAL S-TOUCH STM32
Lead Free Status / RoHS Status
Lead free by exemption / RoHS compliant by exemption
Sensitivity
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Other names
497-10167
STMPE821
PWM_n_SETUP
Address:
Type:
Reset:
Description:
7
[7:4] BRIGHTNESS:
[3:1] TIMING[3:0] is the time unit from which the duration of the ON period and OFF period is
[0] Write '1' to activate ramp mode
6
0xB0
R/W
0x00
PWM setup register.
This defines the duty cycle during the ON period of the PWM channel output which in turn
determines the brightness level of the LED that the PWM output drives.
0000: Duty cycle ratio 1:15 (6.25%, minimum brightness)
0001: Duty cycle ratio 2:14 (12.50%)
0010: Duty cycle ratio 3:13 (18.75%)
0011: Duty cycle ratio 4:12 (25.00%)
0100: Duty cycle ratio 5:11 (31.25%)
0101: Duty cycle ratio 6:10 (37.50%)
0110: Duty cycle ratio 7: 9 (43.75%)
0111: Duty cycle ratio 8: 8 (50.00%)
1000: Duty cycle ratio 9: 7 (56.25%)
1001: Duty cycle ratio 10: 6 (62.50%)
1010: Duty cycle ratio 11: 5 (68.75%)
1011: Duty cycle ratio 12: 4 (75.00%)
1100: Duty cycle ratio 13: 3 (81.25%)
1101: Duty cycle ratio 14: 2 (87.50%)
1110: Duty cycle ratio 15: 1 (93.75%)
1111: Duty cycle ratio 16: 0 (100.00%, maximum brightness)
defined in:
"000" = 20 mS
"001" = 40 mS
"010" = 80 mS
"011" = 160 mS
"100" = 320 mS
"101" = 640 mS
"110" = 1280 mS
"111" = 2560 mS
BRIGHTNESS
5
Doc ID 14478 Rev 5
4
3
PWM_n setup register (n=0-3)
2
TIMING
Basic PWM controller
1
0
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