ST7FLITE49K2B6 STMicroelectronics, ST7FLITE49K2B6 Datasheet - Page 87
![IC MCU 8BIT 8K FLASH 32DIP](/photos/7/4/70414/497-32-sdip_series_sml.jpg)
ST7FLITE49K2B6
Manufacturer Part Number
ST7FLITE49K2B6
Description
IC MCU 8BIT 8K FLASH 32DIP
Manufacturer
STMicroelectronics
Series
ST7r
Datasheet
1.ST7FLITE49K2T6TR.pdf
(245 pages)
Specifications of ST7FLITE49K2B6
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-SDIP (0.400", 10.16mm)
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
Through Hole
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
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ST7LITE49K2
●
Figure 39. PWM polarity inversion
The Data Flip Flop (DFF) applies the polarity inversion when triggered by the counter
overflow input.
●
Figure 40. PWM function
The maximum value of ATR is 4094 because it must be lower than the DCR value
which must be 4095 in this case.
Polarity inversion
The polarity bits can be used to invert any of the four output signals. The inversion is
synchronized with the counter overflow if the corresponding transfer bit in the ATCSR2
register is set (reset value). See
Output control
The PWMx output signals can be enabled or disabled using the OEx bits in the
PWMCR register.
AUTO-RELOAD
DUTY CYCLE
WITH OE=1
AND OPx=0
REGISTER
REGISTER
WITH OE=1
AND OPx=1
(DCRx)
(ATR)
4095
000
ATCSR2 register
PWMxCSR register
PWMx
inverter
TRANx
OPx
overflow
counter
Figure
39.
DFF
PWMx
PIN
On-chip peripherals
87/245
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