ST72T311J2T6 STMicroelectronics, ST72T311J2T6 Datasheet - Page 36

• 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 23. Timer Block Diagram
36/101
EXTCLK
pin
36
TIMER INTERRUPT
f
CPU
ICIE
ICF1
CC[1:0]
OCIE TOIE
OCF1 TOF
1/2
1/4
1/8
EXEDG
(See note)
8 high
OVERFLOW
DETECT
CIRCUIT
FOLV2
ICF2
ALTERNATE
REGISTER
REGISTER
COUNTER
COUNTER
FOLV1
(Control Register 1) CR1
OCF2
buffer
(Status Register) SR
8-bit
OLVL2
0
8 low
16
OUTPUT COMPARE
16
IEDG1
0
CIRCUIT
REGISTER
COMPARE
OUTPUT
0
MCU-PERIPHERAL INTERFACE
TIMER INTERNAL BUS
OLVL1
Note: If IC, OC and TO interrupt requests have separate vectors
then the last OR is not present (See device Interrupt Vector Table)
8
1
6
ST7 INTERNAL BUS
16
8
OC1E
16
COMPARE
REGISTER
OUTPUT
OC2E OPM
8
2
8
REGISTER
EDGE DETECT
CAPTURE
EDGE DETECT
PWM
INPUT
CIRCUIT1
CIRCUIT2
8
1
CC1
(Control Register 2) CR2
LATCH1
LATCH2
8
16
CC0
REGISTER
CAPTURE
INPUT
8
IEDG2
2
16
8
EXEDG
OCMP1
OCMP2
ICAP1
ICAP2
pin
pin
pin
pin