ST72F521AR9TC STMicroelectronics, ST72F521AR9TC Datasheet - Page 80

• Manufacturer Part Number: ST72F521AR9TC
• Description: IC MCU 8BIT 60K FLASH 64-TQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST72F521AR9TC

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: CAN, I²C, SCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 48
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: FLASH
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 3.8 V ~ 5.5 V
• Data Converters: A/D 16x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TQFP, 64-VQFP
• For Use With: 497-6453 - BOARD EVAL BASED ON ST7LNBX
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

ST72F521, ST72521B
16-BIT TIMER (Cont’d)
Figure 51. 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 52. 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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