ST7FLITE39F2M3 STMicroelectronics, ST7FLITE39F2M3 Datasheet - Page 195
ST7FLITE39F2M3
Manufacturer Part Number
ST7FLITE39F2M3
Description
IC MCU 8BIT 8K FLASH 20SOIC
Manufacturer
STMicroelectronics
Series
ST7r
Specifications of ST7FLITE39F2M3
Core Processor
ST7
Core Size
8-Bit
Speed
16MHz
Connectivity
LINSCI, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
15
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Eeprom Size
256 x 8
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
20-SOIC (7.5mm Width)
Processor Series
ST7FLITE3x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
LINSCI, SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
15
Number Of Timers
4
Maximum Operating Temperature
+ 125 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7FLITE-SK/RAIS, ST7MDT10-DVP3, ST7MDT10-EMU3, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 7 Channel
For Use With
497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-6398 - BOARD EVAL ST7FLITE39/STM1403497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5514 - EVAL BOARD THERMO CONTROL REFRIG497-5049 - KIT STARTER RAISONANCE ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
ST7FLITE39F2M3TR
Manufacturer:
ST
Quantity:
20 000
- Current page: 195 of 235
- Download datasheet (2Mb)
EXAMPLE:
The following C program shows the use of the WDG library functions.
Program description:
This program generates the watchdog reset for ST72F521 device. The reset timeout period is
configured as 34ms with fosc2 = 8MHz, through function WDG_Refresh with input parameter
“Counter_Data” as 0x50 (See
Watchdog reset timeout can also be configured through WDG_ComputeTimeout function
(refer to the example below). Here it is configured for a reset timeout of 20,000µs with input
parameter WDG_Timeout given as 20,000.
In Window Watchdog, the reset can be generated by reloading the WDG counter register out-
side the Window. In the example it is generated after 1ms
/******************************** Program Start **********************************/
#include "ST7lib_config.h"
void main(void);
void main (void)
{
}
unsigned int i;
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
WDG_Refresh (0x50);
/*-----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
/*WDG_ComputeTimeout (50000); */
/*----------------------------------------------------------------------------
-----------------------------------------------------------------------------*/
#ifdef WDG_72F561
WDG_Refresh(0x50) ;
WDG_WriteWindow(0x48)
for (i = 0; i < 532; i++) ;
WDG_Refresh(0x50);
#endif
while (1);
WDG_Refresh function to generate a reset after 34ms at fosc2 = 8MHz
WDG_ComputeTimeout function to generate a reset after 20ms (MCC timebase:
4ms, fosc2 = 8MHz)
Window
18.432ms at fosc2 = 8MHz. Reset is generated after 1ms by reloading the WDG
counter register outside the window.
Watchdog for setting a Refresh Period of 34ms and a Window Size of
Table
141).
/* Generates Reset on execution of this routine */
/* Set a Refresh period of 34ms */
/*Generates reset after 34ms*/
/*Generates reset after 20ms*/
Function Descriptions
/*1ms delay */
195/235
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