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ST72C171 Datasheet(PDF) 39 Page - STMicroelectronics

Part # ST72C171
Description  8-BIT MCU with 8K FLASH, ADC, WDG, SPI, SCI, TIMERS SPGAs Software Programmable Gain Amplifiers, OP-AMP
PDF  152 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST72C171 Datasheet(HTML) 39 Page - STMicroelectronics

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ST72C171
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OP-AMP MODULE (Cont’d)
Figure 27. Op-Amp Module Block Diagram
OA1NIN
OA1
R=2K
15R /16R
R
AVCL=1, 2, 4, 8, 16, ∞
R=2K
OA1V
(1.2V)
OA1O
OA1PIN
To ADC Channel 8
NS1[2:0] bits
AZ1 bit
G1[2:0] bits
VR1E, PS1[1:0] bits
VR1[2:0] bits
x VDDA/8
OA1
Interrupt
OA1IE bit
bit
8-Step Reference
Voltage 1
Band Gap
Reference
Voltage
OA2NIN
OA2
R=2K
15R /16R
R
AVCL=1, 2, 4, 8, 16, ∞
R=2K
OA2V
(1.2V)
VSSA
OA2O
OA2PIN
To ADC Channel 9
NS2[2:0] bits
AZ2 bit
G2[2:0] bits
VR2E, PS2[1:0] bits
VR2[2:0] bits
x VDDA/8
OA2
Interrupt
OA2IE bit
bit
8-Step Reference
Voltage 2
Band Gap
Reference
Voltage
OA3
OA3O
OA3NIN
To ADC Channel 10
OA3PIN
Note: OA3 is not present on some package types. Refer to the device pin description.
VSSA
ART Timer
PWM0R
Output
ART Timer
PWM1R
Output



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