ST72325K View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
ST72325K
STMicroelectronics
'ST72325K' PDF : 193 Pages View PDF
ST72325
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
10.6.5 Low Power Modes
Mode
WAIT
Description
No effect on SCI.
SCI interrupts cause the device to exit
Interrupt Event
Event
Flag
Enable
Control
Bit
Exit
from
Wait
Transmit Data Register
Empty
TDRE
TIE
Yes
Exit
from
Halt
No
HALT
from Wait mode.
SCI registers are frozen.
In Halt mode, the SCI stops transmit-
ting/receiving until Halt mode is exit-
ed.
Transmission Com-
plete
TC TCIE Yes No
Received Data Ready
to be Read
RDRF
RIE
Yes
No
Overrun Error Detected OR
Yes No
Idle Line Detected
IDLE ILIE Yes No
10.6.6 Interrupts
Parity Error
PE PIE Yes No
The SCI interrupt events are connected to the
same interrupt vector.
These events generate an interrupt if the corre-
sponding Enable Control Bit is set and the inter-
rupt mask in the CC register is reset (RIM instruc-
tion).
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