ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 42

• Manufacturer Part Number: ST72T774J9B1
• Manufacturer: STMicroelectronics

Specifications of ST72T774J9B1

• Cpu Family: ST7
• Device Core Size: 8b
• Frequency (max): 24MHz
• Interface Type: I2C/USB
• Program Memory Type: EPROM
• Program Memory Size: 60KB
• Total Internal Ram Size: 1KB
• # I/os (max): 31
• Number Of Timers - General Purpose: 1
• Operating Supply Voltage (typ): 5V
• Operating Supply Voltage (max): 5.5V
• Operating Supply Voltage (min): 4V
• On-chip Adc: 1-chx8-bit
• On-chip Dac: 1-chx8-bit
• Instruction Set Architecture: CISC
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 42
• Package Type: SPDIP
• Lead Free Status / Rohs Status: Specific Sites Compliant

ST72774/ST727754/ST72734
16-BIT TIMER (Cont’d)
Figure 27. Timer Block Diagram
42/144
EXTCLK
CPU CLOCK
CC1 CC0
TIMER INTERRUPT
1/2
1/4
1/8
ICIE
EXEDG
ICF1
8 high
OCIE TOIE
OCF1 TOF
FREE RUNNING
OVERFLOW
ALTERNATE
REGISTER
CIRCUIT
DETECT
COUNTER
COUNTER
16 BIT
FOLV2
buffer
ICF2
8-bit
8 low
16
FOLV1
OCF2
16
OLVL2
SR
0
OUTPUT COMPARE
REGISTER
COMPARE
OUTPUT
MCU-PERIPHERAL INTERFACE
8
IEDG1
0
CR1
CIRCUIT
1
ST7 INTERNAL BUS
16
0
8
TIMER INTERNAL BUS
OLVL1
6
COMPARE
REGISTER
OUTPUT
8
2
OC1E
16
8
OC2E OPM
REGISTER
CAPTURE
INPUT
8
1
EDGE DETECT
EDGE DETECT
PWM
8
CIRCUIT1
CIRCUIT2
16
REGISTER
CAPTURE
CC1
LATCH1
INPUT
LATCH2
8
2
CC0
8
CR2
16
IEDG2
EXEDG
OCMP1
OCMP2
ICAP1
ICAP2