ST7FLI19BY1M3TR STMicroelectronics, ST7FLI19BY1M3TR Datasheet - Page 79

• Manufacturer Part Number: ST7FLI19BY1M3TR
• Description: IC MCU 8BIT 4K FLASH 16SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLI19BY1M3TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 4KB (4K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-SOIC (0.300", 7.5mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

11.3 LITE TIMER 2 (LT2)
11.3.1 Introduction
The Lite Timer can be used for general-purpose
timing functions. It is based on two free-running 8-
bit upcounters and an 8-bit input capture register.
11.3.2 Main Features
■
Figure 51. Lite Timer 2 Block Diagram
LTIC
Realtime Clock
– One 8-bit upcounter 1 ms or 2 ms timebase
period (@ 8 MHz f
f
OSC
/32
LTARR
LTICR
LTCNTR
8-bit AUTORELOAD
INPUT CAPTURE
8-bit TIMEBASE
8-bit TIMEBASE
COUNTER 2
REGISTER
COUNTER 1
REGISTER
OSC
8-bit
)
8
8
LTCSR1
ICIE
f
LTIMER
LTCSR2
/2
ICF
0
TB
1
0
0
Timebase
1 or 2 ms
(@ 8 MHz
f
OSC
TB1IE
■
0
)
– One 8-bit upcounter with autoreload and pro-
– 2 Maskable timebase interrupts
– 8-bit input capture register (LTICR)
– Maskable interrupt with wake-up from Halt
Input Capture
grammable timebase period from 4µs to
1.024ms in 4µs increments (@ 8 MHz f
mode capability
TB1F
0
0
LTIC INTERRUPT REQUEST
LTTB1 INTERRUPT REQUEST
0
TB2IE
f
LTIMER
TB2F
To 12-bit AT TImer
LTTB2
Interrupt request
ST7LITE1xB
OSC
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)
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