ST7-STICK45 STMICROELECTRONICS [STMicroelectronics], ST7-STICK45 Datasheet - Page 48
![no-image](/images/no-image-200.jpg)
ST7-STICK45
Manufacturer Part Number
ST7-STICK45
Description
8-bit microcontroller with single voltage Flash memory, data EEPROM, ADC, timers, SPI
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.ST7-STICK45.pdf
(124 pages)
- Current page: 48 of 124
- Download datasheet (3Mb)
ST7LITE0xY0, ST7LITESxY0
11 ON-CHIP PERIPHERALS
11.1 LITE TIMER (LT)
11.1.1 Introduction
The Lite Timer can be used for general-purpose
timing functions. It is based on a free-running 8-bit
upcounter with two software-selectable timebase
periods, an 8-bit input capture register and watch-
dog function.
11.1.2 Main Features
■
■
Figure 31. Lite Timer Block Diagram
48/124
1
LTIC
Realtime Clock
– 8-bit upcounter
– 1 ms or 2 ms timebase period (@ 8 MHz f
– Maskable timebase interrupt
Input Capture
– 8-bit input capture register (LTICR)
– Maskable interrupt with wakeup from Halt
Mode capability
f
OSC
/32
LTICR
8-bit UPCOUNTER
INPUT CAPTURE
REGISTER
8-bit
8
7
LTCSR
ICIE
f
f
LTIMER
LTIMER
/2
ICF
OSC
TB
)
1
0
f
To 12-bit AT TImer
WDG
Timebase
1 or 2 ms
(@ 8 MHz
f
OSC
TBIE
■
)
– Enabled by hardware or software (configura-
– Optional reset on HALT instruction (configura-
– Automatically resets the device unless disable
– Software reset (Forced Watchdog reset)
– Watchdog reset status flag
Watchdog
ble by option byte)
ble by option byte)
bit is refreshed
TBF
WDG
RF
WATCHDOG
LTIC INTERRUPT REQUEST
LTTB INTERRUPT REQUEST
WDGE
WDGD
0
WATCHDOG RESET
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