ST72124J2 STMicroelectronics, ST72124J2 Datasheet - Page 92
ST72124J2
Manufacturer Part Number
ST72124J2
Description
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,ADC, 16-BIT TIMERS, SPI, SCI INTERFACES
Manufacturer
STMicroelectronics
Datasheet
1.ST72124J2.pdf
(153 pages)
Specifications of ST72124J2
Clock Sources
crystal/ceramic resonator oscillators or RC oscillators, external clock, backup Clock Security System
4 Power Saving Modes
Halt, Active-Halt, Wait and Slow
Two 16-bit Timers With
2 input captures (only one on timer A), 2 output compares (only one on timer A), External clock input on timer A, PWM and Pulse generator modes
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ST72334J/N, ST72314J/N, ST72124J
SERIAL COMMUNICATIONS INTERFACE (Cont’d)
14.5.6 Low Power Modes
14.5.7 Interrupts
The SCI interrupt events are connected to the
same interrupt vector (see Interrupts chapter).
92/153
Mode
WAIT
HALT
Transmit Data Register Empty
Transmission Complete
Received Data Ready to be Read
Overrrun Error Detected
Idle Line Detected
In Halt mode, the SCI stops transmitting/receiving until Halt mode is exited.
Description
No effect on SCI.
SCI interrupts cause the device to exit from Wait mode.
SCI registers are frozen.
Interrupt Event
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).
Event
TDRE
RDRF
Flag
IDLE
OR
TC
Control
Enable
TCIE
ILIE
Bit
RIE
TIE
from
Wait
Exit
Yes
Yes
Yes
Yes
Yes
from
Exit
Halt
No
No
No
No
No
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