ST72124J View Datasheet(PDF) - STMicroelectronics

Part Name

Description

MFG CO.

ST72124J

8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, ADC, 16-BIT TIMERS, SPI, SCI INTERFACES

STMicroelectronics 

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ST72334J/N, ST72314J/N, ST72124J

16-BIT TIMER (Cont’d)

Figure 39. Input Capture Block Diagram

ICAP1

pin

EDGE DETECT EDGE DETECT

ICIE

ICAP2

CIRCUIT2

CIRCUIT1

pin

IC2R Register

IC1R Register

ICF1

16-BIT

16-BIT FREE RUNNING

COUNTER

(Control Register 1) CR1

IED G1

(Status Register) SR

ICF2

0

0

0

(Control Register 2) CR2

CC1 CC0 IEDG2

Figure 40. Input Capture Timing Diagram

TIMER CLOCK

COUNTER REGISTER

FF01

ICAPi PIN

ICAPi FLAG

ICAPi REGISTER

Note: Active edge is rising edge.

FF02

FF03

FF03

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