ST7DALIF2 STMicroelectronics, ST7DALIF2 Datasheet - Page 86

• Manufacturer Part Number: ST7DALIF2
• Description: 8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY, DATA EEPROM, ADC, TIMERS, SPI
• Manufacturer: STMicroelectronics

Specifications of ST7DALIF2

• 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.
• 256 Bytes Data Eeprom With Read-out Protection. 300k 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

Lite timer 2 (LT2)
15.4
15.5
Note:
15.6
15.6.1
86/171
Low power modes
Table 40.
Interrupts
Table 41.
The TBxF and ICF interrupt events are connected to separate interrupt vectors (see
Interrupts chapter).
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).
Register description
Lite timer control/status register 2 (LTCSR2)
Read / Write
Reset Value: 0000 0000 (00h)
Bits 7:2 = Reserved, must be kept cleared.
Bit 1 = TB2IE Timebase 2 Interrupt enable.
This bit is set and cleared by software.
0: Timebase (TB2) interrupt disabled
1: Timebase (TB2) interrupt enabled
Slow
Wait
Active-halt
Halt
Timebase 1 Event
Timebase 2 Event
IC Event
Interrupt event
7
0
Mode
Effect of low power modes on Lite timer
Interrupt control bits
0
Event
TB1F
TB2F
flag
ICF
0
No effect on Lite timer
(this peripheral is driven directly by f
No effect on Lite timer
No effect on Lite timer
Lite timer stops counting
control
Enable
0
TB1IE
TB2IE
ICIE
bit
0
from
Description
Wait
Exit
Yes
Yes
Yes
0
OSC2
Active-
/32)
from
Exit
halt
Yes
No
No
TB2IE
ST7DALIF2
from
Exit
Halt
No
No
No
TB2F
0