ST72651AR6 STMicroelectronics, ST72651AR6 Datasheet - Page 79

• Manufacturer Part Number: ST72651AR6
• Description: LOW-POWER, FULL-SPEED USB 8-BIT MCU WITH 32K FLASH, 5K RAM, FLASH CARD I/F, TIMER, PWM, ADC, I2C, SPI
• Manufacturer: STMicroelectronics

Specifications of ST72651AR6

• Dual Supply Management: analog voltage detector on the USB power line to enable smart power switching from USB power to battery (on E suffix devices).
• Programmable Internal Voltage Regulator For Memory Cards (2.8v To 3.5v) Supplying: Flash Card I/O lines (voltage shifting)
• 5 Usb Endpoints: 1 control endpoint
• Dtc (data Transfer Coprocessor): Universal Serial/Parallel communications interface, with software plug-ins for current and future protocol standards

16-BIT TIMER (Cont’d)
Figure 42. Counter Timing Diagram, internal clock divided by 2
Figure 43. Counter Timing Diagram, internal clock divided by 4
Figure 44. Counter Timing Diagram, internal clock divided by 8
Note: The MCU is in reset state when the internal reset signal is high, when it is low the MCU is running.
TIMER OVERFLOW FLAG (TOF)
TIMER OVERFLOW FLAG (TOF)
TIMER OVERFLOW FLAG (TOF)
COUNTER REGISTER
INTERNAL RESET
COUNTER REGISTER
COUNTER REGISTER
TIMER CLOCK
CPU CLOCK
INTERNAL RESET
INTERNAL RESET
TIMER CLOCK
TIMER CLOCK
CPU CLOCK
CPU CLOCK
FFFC
FFFC
Doc ID 7215 Rev 4
FFFD FFFE FFFF 0000 0001 0002 0003
FFFD
FFFD
0000
0000
0001
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