參數(shù)資料
型號(hào): ST72171
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閃存微控制器。 ADC的。水分散粒劑。的SPI。脊髓損傷。定時(shí)器SPGAS(軟件可編程增益放大器)。運(yùn)放
文件頁(yè)數(shù): 72/93頁(yè)
文件大小: 915K
代理商: ST72171
72/93
ST72E121 ST72T121
SERIAL PERIPHERAL INTERFACE
(Cont’d)
5.5.5 Low Power Modes
5.5.6 Interrupts
Note
: The SPI interrupt events are connected to
the same interrupt vector (see Interrupts chapter).
They generate an interrupt if the corresponding
Enable Control Bit is set and the interrupt mask in
the CC register is reset (RIM instruction).
Mode
Description
WAIT
No effect on SPI.
SPI interrupt events cause the device to exit from WAIT mode.
SPI registers are frozen.
In HALT mode, the SPI is inactive. SPI operation resumes when the MCU is woken up by an interrupt with
“exit from HALT mode” capability.
HALT
Interrupt Event
Event
Flag
Enable
Control
Bit
Exit
from
Wait
Yes
Yes
Exit
from
Halt
No
No
SPI End of Transfer Event
Master Mode Fault Event
SPIF
MODF
SPIE
72
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