ST7FLITE49K2T6TR STMicroelectronics, ST7FLITE49K2T6TR Datasheet - Page 64
![IC MCU 8BIT 8K FLASH 32LQFP](/photos/27/13/271337/tqfp-32_sml.jpg)
ST7FLITE49K2T6TR
Manufacturer Part Number
ST7FLITE49K2T6TR
Description
IC MCU 8BIT 8K FLASH 32LQFP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FLITE49K2T6TR.pdf
(245 pages)
Specifications of ST7FLITE49K2T6TR
Core Processor
ST7
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SPI
Peripherals
LVD, POR, PWM, WDT
Number Of I /o
24
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)
2.4 V ~ 5.5 V
Data Converters
A/D 10x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Processor Series
ST7FLITE4x
Core
ST7
Data Bus Width
8 bit
Data Ram Size
384 B
Interface Type
I2C, SPI
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, ST7FLI49M-D/RAIS, STX-RLINK
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 10 Channel
For Use With
497-8399 - BOARD EVAL ST7LITE49M/STLED316S497-5858 - EVAL BOARD PLAYBACK ST7FLITE
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
ST7FLITE49K2T6TR
Manufacturer:
STMicroelectronics
Quantity:
10 000
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Power saving modes
9.2
Note:
9.3
64/245
Slow mode
This mode has two targets:
●
●
Slow mode is controlled by the SMS bit in the MCCSR register which enables or disables
Slow mode.
In this mode, the oscillator frequency is divided by 32. The CPU and peripherals are clocked
at this lower frequency.
Slow-Wait mode is activated when entering Wait mode while the device is already in Slow
mode.
Figure 25. Slow mode clock transition
Wait mode
Wait mode places the MCU in a low power consumption mode by stopping the CPU.
This power saving mode is selected by calling the ‘WFI’ instruction.
All peripherals remain active. During Wait mode, the I bit of the CC register is cleared, to
enable all interrupts. All other registers and memory remain unchanged. The MCU remains
in Wait mode until an interrupt or Reset occurs, whereupon the Program Counter branches
to the starting address of the interrupt or Reset service routine.
The MCU will remain in Wait mode until a Reset or an Interrupt occurs, causing it to wake
up.
Refer to
To reduce power consumption by decreasing the internal clock in the device,
To adapt the internal clock frequency (f
Figure 26
for a description of the Wait mode flowchart.
SMS
f
CPU
f
OSC
CPU
) to the available supply voltage.
f
OSC
NORMAL RUN MODE
/32
REQUEST
f
OSC
ST7LITE49K2
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