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ST7LITE20

Description
8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20
Categorysemiconductor    The embedded processor and controller   
File Size886KB,131 Pages
ManufacturerSTMicroelectronics
Websitehttp://www.st.com/
Download Datasheet Parametric Compare View All

ST7LITE20 Overview

8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20

ST7LITE20 Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals20
Maximum operating temperature85 Cel
Minimum operating temperature-40 Cel
Maximum supply/operating voltage5.5 V
Minimum supply/operating voltage3.3 V
Rated supply voltage5 V
External data bus width0.0
Number of input and output buses15
Line speed8 MHz
Processing package description0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
packaging shapeRECTANGULAR
Package SizeSMALL OUTLINE
surface mountYes
Terminal formGULL WING
Terminal spacing1.27 mm
terminal coatingNICKEL PALLADIUM GOLD
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelINDUSTRIAL
ADC channelYes
Address bus width0.0
Number of digits8
Maximum FCLK clock frequency16 MHz
Microprocessor typeMICROCONTROLLER
PWM channelYes
ROM programmingFLASH
ST7LITE2
8-BIT MCU WITH SINGLE VOLTAGE FLASH MEMORY,
DATA EEPROM, ADC, TIMERS, SPI
Memories
– 8 Kbytes single voltage Flash Program mem-
ory with read-out protection, In-Circuit Pro-
gramming and In-Application programming
(ICP and IAP). 10K write/erase cycles guar-
anteed, data retention: 20 years at 55°C.
– 384 bytes RAM
– 256 bytes data EEPROM with read-out pro-
tection. 300K write/erase cycles guaranteed,
data retention: 20 years at 55°C.
s
Clock, Reset and Supply Management
– Enhanced reset system
– Enhanced low voltage supervisor (LVD) for
main supply and an auxiliary voltage detector
(AVD) with interrupt capability for implement-
ing safe power-down procedures
– Clock sources: Internal 1% RC oscillator,
crystal/ceramic resonator or external clock
– Internal 32-MHz input clock for Auto-reload
timer
– Optional x4 or x8 PLL for 4 or 8 MHz internal
clock
– Five Power Saving Modes: Halt, Active-Halt,
Wait and Slow, Auto Wake Up From Halt
s
I/O Ports
– Up to 15 multifunctional bidirectional I/O lines
– 7 high sink outputs
s
4 Timers
– Configurable Watchdog Timer
– Two 8-bit Lite Timers with prescaler,
1 realtime base and 1 input capture
– One 12-bit Auto-reload Timer with 4 PWM
Device Summary
s
DIP20
SO20
300”
s
s
s
s
s
outputs, input capture and output compare
functions
1 Communication Interface
– SPI synchronous serial interface
Interrupt Management
– 10 interrupt vectors plus TRAP and RESET
– 15 external interrupt lines (on 4 vectors)
A/D Converter
– 7 input channels
– Fixed gain Op-amp
– 13-bit resolution for 0 to 430 mV (@ 5V V
DD
)
– 10-bit resolution for 430 mV to 5V (@ 5V V
DD
)
Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instructions
Development Tools
– Full hardware/software development package
– DM (Debug Module)
Features
Program memory - bytes
RAM (stack) - bytes
Data EEPROM - bytes
Peripherals
Operating Supply
CPU Frequency
Operating Temperature
Packages
ST7LITE20
ST7LITE25
ST7LITE29
-
Lite Timer with Watchdog,
Autoreload Timer, SPI,
10-bit ADC with Op-Amp
Up to 8Mhz
(w/ ext OSC up to 16MHz)
8K
384 (128)
-
256
Lite Timer with Watchdog,
Autoreload Timer with 32-MHz input clock,
SPI, 10-bit ADC with Op-Amp
2.4V to 5.5V
Up to 8Mhz (w/ ext OSC up to 16MHz
and int 1MHz RC 1% PLLx8/4MHz)
-40°C to +85°C
SO20 300”, DIP20
Rev. 2.0
August 2003
1/131
1

ST7LITE20 Related Products

ST7LITE20 ST7FLITE29 ST7LITE29 ST7LITE25
Description 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20 8-BIT, FLASH, 8 MHz, MICROCONTROLLER, PDSO20
Number of functions 1 1 1 1
Number of terminals 20 20 20 20
Maximum operating temperature 85 Cel 85 Cel 85 Cel 85 Cel
Minimum operating temperature -40 Cel -40 Cel -40 Cel -40 Cel
Maximum supply/operating voltage 5.5 V 5.5 V 5.5 V 5.5 V
Minimum supply/operating voltage 3.3 V 3.3 V 3.3 V 3.3 V
Rated supply voltage 5 V 5 V 5 V 5 V
External data bus width 0.0 0.0 0.0 0.0
Number of input and output buses 15 15 15 15
Line speed 8 MHz 8 MHz 8 MHz 8 MHz
Processing package description 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20 0.300 INCH, ROHS COMPLIANT, PLASTIC, SOP-20
Lead-free Yes Yes Yes Yes
EU RoHS regulations Yes Yes Yes Yes
state ACTIVE ACTIVE ACTIVE ACTIVE
packaging shape RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package Size SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE
surface mount Yes Yes Yes Yes
Terminal form GULL WING GULL WING GULL WING GULL WING
Terminal spacing 1.27 mm 1.27 mm 1.27 mm 1.27 mm
terminal coating NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD NICKEL PALLADIUM GOLD
Terminal location DUAL DUAL DUAL DUAL
Packaging Materials PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
Temperature level INDUSTRIAL INDUSTRIAL INDUSTRIAL INDUSTRIAL
ADC channel Yes Yes Yes Yes
Address bus width 0.0 0.0 0.0 0.0
Number of digits 8 8 8 8
Maximum FCLK clock frequency 16 MHz 16 MHz 16 MHz 16 MHz
Microprocessor type MICROCONTROLLER MICROCONTROLLER MICROCONTROLLER MICROCONTROLLER
PWM channel Yes Yes Yes Yes
ROM programming FLASH FLASH FLASH FLASH

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