ST7FLITE39F2M3TR STMicroelectronics, ST7FLITE39F2M3TR Datasheet - Page 73

• Manufacturer Part Number: ST7FLITE39F2M3TR
• Description: IC MCU 8BIT 8K FLASH 20SOIC
• Manufacturer: STMicroelectronics
• Series: ST7r

Specifications of ST7FLITE39F2M3TR

• Core Processor: ST7
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: LINSCI, SPI
• Peripherals: LVD, POR, PWM, WDT
• Number Of I /o: 15
• 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): 2.7 V ~ 5.5 V
• Data Converters: A/D 7x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SOIC (7.5mm Width)
• For Use With: 497-8406 - BOARD STF20NM50FD/STF7LITE39BF2497-8403 - BOARD DEMO STCC08 AC SW DETECTOR497-5858 - EVAL BOARD PLAYBACK ST7FLITE497-5049 - KIT STARTER RAISONANCE ST7FLITE
• 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 46. Lite Timer 2 Block Diagram
LTIC
– One 8-bit upcounter 1 ms or 2 ms timebase
Realtime Clock (RTC)
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
0
1
0
Timebase
1 or 2 ms
(@ 8MHz
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 wakeup 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
ST7LITE3xF2
LTTB2
Interrupt request
OSC
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)
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