STEVAL-TCS003V1 STMicroelectronics, STEVAL-TCS003V1 Datasheet - Page 40

• Manufacturer Part Number: STEVAL-TCS003V1
• Description: BOARD DEMO EXPANDER STMPE2403
• Manufacturer: STMicroelectronics

Specifications of STEVAL-TCS003V1

• Main Purpose: Interface, GPIO Expander
• Embedded: No
• Utilized Ic / Part: STMPE2403
• Primary Attributes: 8/16/24-Bit 24-Port GPIO Expander over I2C
• Secondary Attributes: 3 8-Bit PWM Output for LEDs, Keyboard Matrix Scan, Special Key Support
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-8206

PWM controller
11
40/63
PWM controller
The STMPE2403 PWM controller provides 3 independent PWM outputs used to generate
light effect; if the PWM outputs are not used, these pins can be used as GPIO.
Figure 7.
Instructions are downloaded into the memory via the I2C connection.
Primary Clock
Divide by “Step Time”
(Divide by 16 or 512)
(Up/Down by “Step
Counts from 0-255
32KHz
repeatedly
Prescaler
PWM Ref
Sign”)
64Hz-2KHz
PWM controller
1Hz-2KHz
PWM Output
Instruction
Processor
Comparator
Increment
Counter
based on instructions
Count from 0-255
Instruction Word 63
Instruction Word 0
Instruction Word 1
Instruction Word 2
PWM Count
STMPE2403
Trigger Bus
INT