ST72T311J2T6 STMicroelectronics, ST72T311J2T6 Datasheet - Page 38

• Manufacturer Part Number: ST72T311J2T6
• Description: 8-bit Microcontrollers - MCU OTP EPROM 8K SPI/I2C
• Manufacturer: STMicroelectronics

Specifications of ST72T311J2T6

• Core: ST7
• Data Bus Width: 8 bit
• Maximum Clock Frequency: 8 MHz
• Program Memory Size: 8 KB
• Data Ram Size: 384 B
• On-chip Adc: Yes
• Operating Supply Voltage: 3 V to 5.5 V
• Package / Case: TQFP-44
• Mounting Style: SMD/SMT
• A/d Bit Size: 8 bit
• A/d Channels Available: 6
• Interface Type: SCI, SPI
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Number Of Programmable I/os: 44
• Number Of Timers: 2
• On-chip Dac: No
• Program Memory Type: OTP EPROM
• Factory Pack Quantity: 160
• Supply Voltage - Max: 5.5 V
• Supply Voltage - Min: 3 V

ST72E311 ST72T311
16-BIT TIMER (Cont’d)
Figure 24. Counter Timing Diagram, internal clock divided by 2
Figure 25. Counter Timing Diagram, internal clock divided by 4
Figure 26. 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.
38/101
TIMER OVERFLOW FLAG (TOF)
38
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
FFFD FFFE FFFF 0000 0001 0002 0003
FFFD
FFFD
0000
0000
0001