st72f321r STMicroelectronics, st72f321r Datasheet - Page 74

• Manufacturer Part Number: st72f321r
• Description: 64/44-pin 8-bit Mcu With 32 To 60k Flash/rom, Adc, Five Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

ST72321
16-BIT TIMER (Cont’d)
Figure 47. Input Capture Block Diagram
Figure 48. Input Capture Timing Diagram
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ICAP2
ICAP1
pin
pin
COUNTER REGISTER
ICAPi REGISTER
Note: The
TIMER CLOCK
ICAPi FLAG
16-BIT
EDGE DETECT
IC2R Register
ICAPi PIN
16-BIT FREE RUNNING
CIRCUIT2
rising edge is the
COUNTER
FF01
EDGE DETECT
CIRCUIT1
IC1R Register
a
ctive edge.
FF02
ICF1
ICIE
FF03
ICF2
(Control Register 1) CR1
(Control Register 2) CR2
CC1
(Status Register) SR
CC0
FF03
0
IEDG2
IEDG1
0
0