ST7FOXK1T6 STMicroelectronics, ST7FOXK1T6 Datasheet - Page 79
![IC MCU 8BIT 1V FLASH MEM 32LQFP](/photos/12/33/123302/st7foxk1t6_sml.jpg)
ST7FOXK1T6
Manufacturer Part Number
ST7FOXK1T6
Description
IC MCU 8BIT 1V FLASH MEM 32LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FOXF1M6.pdf
(226 pages)
Specifications of ST7FOXK1T6
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
384 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Processor Series
ST7FOXx
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
I2C
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
24
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
ST7FLITE-SK/RAIS, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 1 Channel
For Use With
497-5049 - KIT STARTER RAISONANCE ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
497-6336
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FOXK1T6
Manufacturer:
STMicroelectronics
Quantity:
10 000
Company:
Part Number:
ST7FOXK1T6TR
Manufacturer:
STMicroelectronics
Quantity:
10 000
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- Download datasheet (4Mb)
ST7FOXF1, ST7FOXK1, ST7FOXK2
10
10.1
10.1.1
10.1.2
10.1.3
On-chip peripherals
Watchdog timer (WDG)
Introduction
The Watchdog timer is used to detect the occurrence of a software fault, usually generated
by external interference or by unforeseen logical conditions, which causes the application
program to abandon its normal sequence. The Watchdog circuit generates an MCU reset on
expiry of a programmed time period, unless the program refreshes the counter’s contents
before the T6 bit becomes cleared.
Main features
Functional description
The counter value stored in the CR register (bits T[6:0]), is decremented every 16000
machine cycles, and the length of the timeout period can be programmed by the user in 64
increments.
If the watchdog is activated (the WDGA bit is set) and when the 7-bit timer (bits T[6:0]) rolls
over from 40h to 3Fh (T6 becomes cleared), it initiates a reset cycle pulling low the RESET
pin for typically 30µs.
Figure 34. Watchdog block diagram
Programmable free-running downcounter (64 increments of 16000 CPU cycles)
Programmable reset
Reset (if watchdog activated) when the T6 bit reaches zero
Optional reset on HALT instruction (configurable by option byte)
Hardware Watchdog selectable by option byte
f
CPU
WDGA
RESET
T6
T5
WATCHDOG CONTROL REGISTER (CR)
7-BIT DOWNCOUNTER
CLOCK DIVIDER
T4
÷16000
T3
T2
T1
T0
On-chip peripherals
79/226
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