ST7FLITE49K2T6TR STMicroelectronics, ST7FLITE49K2T6TR Datasheet - Page 109

• Manufacturer Part Number: ST7FLITE49K2T6TR
• Description: IC MCU 8BIT 8K FLASH 32LQFP
• Manufacturer: STMicroelectronics
• Series: ST7r

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

ST7LITE49K2
11.3
11.3.1
11.3.2
Lite timer 2 (LT2)
Introduction
The Lite timer can be used for general-purpose timing functions. It is based on two free-
running 8-bit upcounters, a watchdog function and an 8-bit Input Capture register.
Main features
●
●
●
Figure 53. Lite timer 2 block diagram
LTIC
Real-time clock
–
–
–
Input capture
–
Maskable interrupt with wakeup from Halt mode capability
f
OSC
/32
One 8-bit upcounter 1 ms or 2 ms timebase period (@ 8 MHz f
One 8-bit upcounter with autoreload and programmable timebase period from 4µs
to 1.024 ms in 4 µs increments (@ 8 MHz f
2 Maskable timebase interrupts
8-bit input capture register (LTICR)
LTARR
LTICR
LTCNTR
8-bit AUTORELOAD
INPUT CAPTURE
8-bit TIMEBASE
8-bit TIMEBASE
COUNTER 2
REGISTER
COUNTER 1
REGISTER
8-bit
8
8
LTCSR1
ICIE
f
LTIMER
LTCSR2
/2
ICF
0
TB
0
1
0
Timebase
1 or 2 ms
(@ 8 MHz
f
OSC
TB1IE
0
)
TB1F
0
OSC
0
LTIC INTERRUPT REQUEST
LTTB1 INTERRUPT REQUEST
)
0
TB2IE
f
LTIMER
TB2F
To 12-bit AT TImer
On-chip peripherals
LTTB2
Interrupt request
OSC
)
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