ST72T311 ST Microelectronics, ST72T311 Datasheet - Page 73
ST72T311
Manufacturer Part Number
ST72T311
Description
8-BIT MCU WITH 8 TO 16K OTP/EPROM
Manufacturer
ST Microelectronics
Datasheet
1.ST72T311.pdf
(100 pages)
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SERIAL PERIPHERAL INTERFACE (Cont’d)
4.5.5 Low Power Modes
4.5.6 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 I-bit in the CC reg-
ister is reset (RIM instruction).
WAIT
HALT
SPI End of Transfer Event
Master Mode Fault Event
Mode
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.
Interrupt Event
Description
MODF
Event
SPIF
Flag
Control
Enable
ST72E311 ST72T311
SPIE
Bit
from
Wait
Exit
Yes
Yes
73
from
Halt
Exit
73/100
No
No