ST72F321 STMICROELECTRONICS [STMicroelectronics], ST72F321 Datasheet - Page 79

• Manufacturer Part Number: ST72F321
• Description: 64/44-PIN 8-BIT MCU WITH 32 TO 60K FLASH/ROM, ADC, FIVE TIMERS, SPI, SCI, I2C INTERFACE
• Manufacturer: STMICROELECTRONICS [STMicroelectronics]

ST72321
16-BIT TIMER (Cont’d)
Figure 52. One Pulse Mode Timing Example
2ED3
01F8
IC1R
FFFC FFFD FFFE
2ED0 2ED1 2ED2
FFFC FFFD
01F8
COUNTER
2ED3
ICAP1
OLVL2
OLVL1
OLVL2
OCMP1
compare1
Note: IEDG1=1, OC1R=2ED0h, OLVL1=0, OLVL2=1
Figure 53. Pulse Width Modulation Mode Timing Example with 2 Output Compare Functions
2ED0 2ED1 2ED2
34E2
FFFC
FFFC FFFD FFFE
COUNTER 34E2
OLVL2
OLVL1
OLVL2
OCMP1
compare2
compare1
compare2
Note: OC1R=2ED0h, OC2R=34E2, OLVL1=0, OLVL2= 1
Note: On timers with only 1 Output Compare register, a fixed frequency PWM signal can be generated us-
ing the output compare and the counter overflow to define the pulse length.
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