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3 timer capture clock (tcapclk) – Cypress enCoRe CY7C602xx User Manual

Page 26

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CY7C601xx, CY7C602xx

Document 38-16016 Rev. *E

Page 26 of 68

Figure 12-2. Programmable Interval Timer Block Diagram

12.2.3 Timer Capture Clock (TCAPCLK)

The Timer Capture clock (TCAPCLK) is sourced from the external crystal oscillator, the internal 24 MHz oscillator or the internal 32 kHz
low power oscillator. A programmable prescaler of 2, 4, 6, or 8 then divides the selected source.

Figure 12-3. Timer Capture Block Diagram

12-bit reload

value

12-bit down

counter

12-bit reload

control

Clock Timer

Configuration

Status and

Control

System Clock

Interrupt

Controller

16-bit counter

Configuration Status

and Control

Prescale Mux

Capture Registers

Interrupt Controller

1ms

timer

Overflow

Interrupt

Captimer Clock

System Clock

Capture0 Int

Capture1 Int

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