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ST7LITE49M Datasheet(PDF) 107 Page - STMicroelectronics

Part # ST7LITE49M
Description  8-bit MCU with single voltage Flash memory data EEPROM, ADC, 8/12-bit timers, and I²C interface
PDF  188 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

ST7LITE49M Datasheet(HTML) 107 Page - STMicroelectronics

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11.3.4
Low power modes
11.3.5
Interrupts
The TBxF and ICF interrupt events are connected to separate interrupt vectors (see
Section 8: Interrupts).
They generate an interrupt if the enable bit is set in the LTCSR1 or LTCSR2 register and the
interrupt mask in the CC register is reset (RIM instruction).
11.3.6
Register description
Lite Timer Control/Status register 2 (LTCSR2)
Reset value: 0000 0000 (00h)
Bits 7:2 = Reserved, must be kept cleared.
Bit 1 = TB2IE Timebase 2 Interrupt enable bit
This bit is set and cleared by software.
0: Timebase (TB2) interrupt disabled
1: Timebase (TB2) interrupt enabled
Table 38.
Effect of low power modes on Lite timer 2
Mode
Description
Slow
No effect on Lite timer
(this peripheral is driven directly by fOSC/32)
Wait
No effect on Lite timer
Active Halt
No effect on Lite timer
Halt
Lite timer stops counting
Table 39.
Description of interrupt events
Interrupt Event
Event
Flag
Enable
Control
Bit
Exit
from
Wait
Exit
from
Active
Halt
Exit
from
Halt
Timebase 1 Event
TB1F
TB1IE
Yes
Yes
No
Timebase 2 Event
TB2F
TB2IE
No
IC Event
ICF
ICIE
No
7
0
00
0000
TB2IE
TB2F
Read / Write



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