ST7FLITE49K2T6TR STMicroelectronics, ST7FLITE49K2T6TR Datasheet - Page 68
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
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Figure 29. Halt timing overview
1. A reset pulse of at least 42 µs must be applied when exiting from Halt mode.
Figure 30. Halt mode flowchart
1. WDGHALT is an option bit. See option byte section for more details.
2. Peripheral clocked with an external clock source can still be active.
3. Only some specific interrupts can exit the MCU from Halt mode (such as external interrupt). Refer to
4. Before servicing an interrupt, the CC register is pushed on the stack. The I bit of the CC register is set
5. The CPU clock must be switched to 1 MHz (RC/8) or AWU RC before entering Halt mode.
Table 18: ST7LITE49K2 interrupt
during the interrupt routine and cleared when the CC register is popped.
[Active-halt disabled]
INSTRUCTION
RUN
N
HALT INSTRUCTION
WATCHDOG
(Active-halt disabled)
WDGHALT
HALT
mappingfor more details.
RESET
1
INTERRUPT
HALT
Y
1)
256 CPU CYCLE
ENABLE
3)
INTERRUPT
RESET
OR SERVICE INTERRUPT
0
256 CPU CLOCK CYCLE
FETCH RESET VECTOR
DELAY
OR
OSCILLATOR
PERIPHERALS
CPU
I BIT
OSCILLATOR
PERIPHERALS
CPU
I BIT
OSCILLATOR
PERIPHERALS
CPU
I BITS
N
DELAY
RESET
Y
WATCHDOG
VECTOR
FETCH
5)
DISABLE
2)
RUN
OFF
OFF
OFF
OFF
ON
ON
X
ON
ON
ON
X
0
4)
4)
ST7LITE49K2
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