ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 46

• 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 31. Input Capture Block Diagram
ICAP1
(Control Register 1) CR1
EDGE DETECT
EDGE DETECT
ICIE
IEDG1
CIRCUIT2
CIRCUIT1
ICAP2
(Status Register) SR
ICF1
ICF2
0
0
0
IC1R
IC2R
(Control Register 2) CR2
16-BIT
16-BIT
FREE RUNNING
IEDG2
CC1
CC0
COUNTER
Figure 32. Input Capture Timing Diagram
TIMER CLOCK
FF01
FF02
FF03
COUNTER REGISTER
ICAPi PIN
ICAPi FLAG
FF03
ICAPi REGISTER
ctive edge is rising edge.
Note: A
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