October 2001 1/7
This i s preliminary information on a new produc t now in de velopment. Details are subject to change without notice.
Rev. 1.6
ST7FLITE2
8-BIT MCU WITH SINGLE VOLTAGE F LASH MEMORY,
DATA E E PRO M, ADC, T IM ERS , S PI, DAL I
PRODUCT PREVIEW
■Memories
– 8 Kbytes single voltage extended Flash
(XFlash) Program m emory with read-out pro-
tection, In-Circuit Programming and In-Appli-
cation programming (ICP and IAP)
– 384 bytes RAM
– 256 bytes data EEPROM with read-out pro-
tection
■Cl ock, Reset and Su pp ly Manag em e n t
– Enhanced reset system
– Enhanced low voltage supervisor (LVD) for
main supply and an auxi liary volta ge detector
(AVD) with interrupt capability for imple ment-
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
– Four Power Saving Modes: Halt, Active-Ha lt,
Wait and Slow
■I/O Ports
– Up to 15 multifunctional bidirectiona l I/O lines
–6 hi gh sink out puts
■2 Time rs
– 8-bit Lite Ti mer with prescal er, watchdog,
1 real time base and 1 input captur e
– One 12-bit Auto-reload Timer with 4 PWM
outputs, input capture and output compare
functions
■2 Communi cation Interface s
– SPI synchronous serial interface
– DALI communication interface
■Inte rr upt M a nag e m ent
– 10 inter r u pt vect or s plu s TRAP a nd RESET
– 4 external i nterrupt lines (on 4 vectors)
■A/D Converter
– 7 input channels
– Fixed gain Op-amp
– 13-bit precis i on for 0 to 430 mV (@ 5V VDD)
– 10-bit precision for 430 mV to 5V (@ 5V VDD)
■Instruction S et
– 8-bit data manipulation
– 63 basic i ns tructions
– 17 main addressing modes
– 8 x 8 unsigned m ultiply instructions
■Development Tools
– Full hardware/software dev elopment package
Device Summary
DIP20 SO20
300”
Features ST7FLITE20 ST7FLITE25 ST7FLITE29 ST7FDALI
Program memor y - bytes 8K
RAM (st ack) - by tes 384 (128)
Data EEPROM - bytes - - 256
Peripherals Lite T i m er with Watchdog,
Autoreload Time r, SPI,
10-bit ADC with Op-Amp
Lite Timer with Watchdog, Autoreload
Timer with 32-MHz input clock, SPI,
10-bit ADC with Op-Amp
Lite Timer with Watchdog, Au-
toreload Timer with 32-MHz input
clo ck, SPI, 10-bit ADC with Op-
Amp, DALI
Operating Supply 2.4V to 5.5V
CPU Frequency Up to 8Mhz
(w/ e xt OSC up to 8MHz) Up to 8M hz (w / ex t OS C up to 8MH z
and i nt 1MHz RC 1% PLLx8/4MHz) Up to 8Mhz (w/ int 1MHz RC 1%
PLLx8/4MHz)
Operating T em perature -40°C to +85°C (-40°C to +105/125°C optional )
Pac kages SO20 300”, D IP 20 SO20 300”
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