st72321j STMicroelectronics, st72321j Datasheet - Page 72

• Manufacturer Part Number: st72321j
• Description: 8-bit Mcu With Nested Interrupts, Flash, 10-bit Adc, 5 Timers, Spi, Sci, I2c Interface
• Manufacturer: STMicroelectronics

ST72321J
16-BIT TIMER (Cont’d)
Figure 44. Input Capture Block Diagram
Figure 45. Input Capture Timing Diagram
72/179
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