ST7MC2S4 STMicroelectronics, ST7MC2S4 Datasheet - Page 81

• Manufacturer Part Number: ST7MC2S4
• Description: 8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,BRUSHLESS MOTOR CONTROL, 5 TIMERS, SPI, LINSCI(TM)
• Manufacturer: STMicroelectronics

16-BIT TIMER (Cont’d)
Figure 48. Input Capture Block Diagram
Figure 49. Input Capture Timing Diagram
Note: The time between an event on the ICAPi pin
and the appearance of the corresponding flag is
from 2 to 3 CPU clock cycles. This depends on the
moment when the ICAP event happens relative to
the timer clock.
ICAP2
ICAP1
pin
pin
COUNTER REGISTER
ICAPi REGISTER
Note: The active edge is the rising edge.
TIMER CLOCK
ICAPi FLAG
16-BIT
EDGE DETECT
IC2R Register
ICAPi PIN
16-BIT
CIRCUIT2
FREE RUNNING
COUNTER
FF01
EDGE DETECT
CIRCUIT1
IC1R Register
FF02
ICF1
ICIE
FF03
ICF2
(Control Register 1) CR1
(Control Register 2) CR2
ST7MC1xx/ST7MC2xx
CC1
(Status Register) SR
CC0
FF03
0
IEDG2
IEDG1
0
0
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