參數(shù)資料
型號： ST72C171
廠商： 意法半導(dǎo)體
英文描述： 8-BIT MCU with 8K FLASH, ADC, WDG, SPI, SCI, TIMERS SPGAs Software Programmable Gain Amplifiers, OP-AMP
中文描述： 8位8K閃存，ADC的，水分散粒劑，SPI和脊髓損傷，定時(shí)器SPGAs軟件可編程增益放大器，運(yùn)算放大器控制器
文件頁數(shù)： 45/152頁
文件大小： 1384K
代理商： ST72C171
ST72C171
45/152
OP-AMP MODULE (
Cont’d
)
OP-AMP INTERRUPT AND READOUT REGIS-
TER (OAIRR)
Read/Write*
Reset value: 0000 0000 (00h)
Bit 7 =
OA1IE
OA1 interrupt enable
This bit is set and reset by software. When it is set,
it enables an interrupt to be generated if the OA1P
bit and the OA1V bit have the same value.
0: OA1 interrupt disabled
1: OA1 interrupt enabled
Bit 6 =
OA1P
OA1 interrupt polarity select
This bit is set and reset by software. It specifies the
OA1 SPGA output level which will generate an in-
terrupt if the bit OA1IE is set.
0: Active low
1: Active high
Bit 5 =
OA1V
OA1 output value (read only)
This bit is set and reset by hardware. It contains
the OA1 SPGA output voltage value filtered by a
Schmitt trigger.
0: OA1+ voltage < OA1- voltage
1: OA1+ voltage > OA1- voltage
Bit 4 =
OA1ON
OA1 on/off (low power)
This bit is set and reset by software. It reduces
power consumption when reset.
0: Op-amp 1 off
1: Op-amp 1 on
Bit 3 =
OA2IE
OA2 interrupt enable
This bit is set and reset by software. When it is set,
it enables an interrupt to be generated if the OA2P
bit and the OA2V bit have the same value.
0: OA2 interrupt disabled
1: OA2 interrupt enabled
Bit 2 =
OA2P
OA2 interrupt polarity select
This bit is set and reset by software. It specifies the
OA2 SPGA output level which will generate an in-
terrupt if the bit OA2IE is set.
0: Active low
1: Active high
Bit 1-
OA2V
OA2 output value (read only)
This bit is set and reset by hardware. It contains
the OA2 SPGA output voltage value filtered by a
Schmitt trigger.
0: OA2+ voltage < OA2- voltage
1: OA2+ voltage > OA2- voltage
Bit 0 -
OA2ON
OA2 on/off (low power)
0: Op-amp 2 off (reducing power consumption)
1: Op-amp 2 on
Note:
If OA1ON, OA2ON and OA3ON are 0, The
entire module is disabled, giving the lowest power
consumption.
* OA1V and OA2V are read only.
7
0
OA1IE OA1P OA1V OA1ON OA2IE OA2P
OA2V OA2ON
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