ST72T774J9B1 STMicroelectronics, ST72T774J9B1 Datasheet - Page 48

• 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 33. Output Compare Block Diagram
Figure 34. Output Compare Timing Diagram, Internal Clock Divided by 2
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16-bit
16 BIT FREE RUNNING
OUTPUT COMPARE
OC1R
16-bit
CIRCUIT
COUNTER
16-bit
OCFi AND OCMPi PIN (OLVLi=1)
OUTPUT COMPARE REGISTER
COMPARE REGISTER LATCH
OC2R
INTERNAL CPU CLOCK
TIMER CLOCK
COUNTER
OC1E
OCIE
OC2E
OCF1
CPU writes FFFF
FFFC
FFFD FFFD FFFE FFFF 0000
(Control Register 2)
(Control Register 1)
OCF2
CC1
(Status Register)
OLVL2
CC0
0
0
OLVL1
CR2
CR1
FFFF
SR
0
Latch
Latch
1
2
OCMP2
OCMP1