ST7LITE25F2 STMicroelectronics, ST7LITE25F2 Datasheet - Page 59

• Manufacturer Part Number: ST7LITE25F2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7LITE25F2

• 8 Kbytes Single Voltage Flash Program Memory With Read-out Protection, In-circuit Programming And In-application Programming (icp And Iap). 10k Write/erase Cycles Guaranteed, Data Retention: 20 years at 55˚C.
• Clock Sources: Internal 1% RC oscillator, crystal/ceramic resonator or external clock
• Five Power Saving Modes: Halt, Active-Halt, Wait and Slow, Auto Wake Up From Halt

12-BIT AUTORELOAD TIMER (Cont’d)
11.2.4 Low Power Modes
11.2.5 Interrupts
Note 1: The CMP and IC events are connected to
the same interrupt vector.
Mode
SLOW
WAIT
ACTIVE-HALT
HALT
Overflow
Event
IC Event
CMP Event
Interrupt
Event
1)
CMPF0 CMPIE
Event
Flag
OVF
ICF
Description
The input frequency is divided
by 32
No effect on AT timer
AT timer halted except if CK0=1,
CK1=0 and OVFIE=1
AT timer halted
Control
Enable
OVIE
ICIE
Bit
from
Wait
Exit
Yes
Yes
Yes
from
Halt
Exit
No
No
No
Active-
Yes
from
Exit
Halt
No
No
2)
The OVF event is mapped on a separate vector
(see Interrupts chapter).
They generate an interrupt if the enable bit is set in
the ATCSR register and the interrupt mask in the
CC register is reset (RIM instruction).
Note 2: Only if CK0=1 and CK1=0 (f
f
LTIMER
)
COUNTER
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