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參數(shù)資料
| 型號： | ST72121J4 |
| 元件分類： | 8位微控制器 |
| 英文描述： | 8-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash |
| 中文描述： | 8位微控制器與2/4/8K字節(jié)在系統(tǒng)可編程閃存 |
| 文件頁數(shù)： | 72/93頁 |
| 文件大?。?/td> | 915K |
| 代理商： | ST72121J4 |
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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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