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SH79F6489P/080PR Fiches technique(PDF) 110 Page - SINOWEALTH Electronic Ltd

No de pièce SH79F6489P/080PR
Description  Enhanced 8051 Microcontroller with 20bit Σ-ΔADC and LCD Driver
PDF  152 Pages
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Fabricant  SINOWEALTH [SINOWEALTH Electronic Ltd]
Site Internet  https://en.sinowealth.com
Logo SINOWEALTH - SINOWEALTH Electronic Ltd

SH79F6489P/080PR Fiches technique(HTML) 110 Page - SINOWEALTH Electronic Ltd

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SH79F6488/SH79F6489
110
8.8 High-performance Operational Amplifier (OP)
8.8.1 Features
Single power supply
Internally frequency compensated
The SH79F6488/SH79F6489 provides 1 high-performance operational amplifiers. The Operational amplifier can be applied to
constant current source circuit, constant voltage source circuit, small signal amplifier circuit, etc. Such as driving resistance type
pressure sensor.
Application diagram.
MCU
-
+
GND
OP+
OP
-
OP
_O
AINx+
AINx
-
GND
VDDR
OP
+
-
+
-
PGA
ADC
8.8.2 Registers
Table 8.32 OP Control Register
A2H
Bit7
Bit6
Bit5
Bit4
Bit3
Bit2
Bit1
Bit0
OPCON
-
-
-
-
-
-
OPOS
OPEN
R/W
-
-
-
-
-
-
R/W
R/W
Reset Value
(POR/WDT/LVR/PIN)
-
-
-
-
-
-
1
0
Bit Number
Bit Mnemonic
Description
1
OPOS
OP Configuration bit
0: P2.1-P2.3 as I/O
1: P2.1-P2.3 as OP
0
OPEN
OP enable Control bit
0: disable OP function
1: enable OP function



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