ST7LITE25F2 datasheet(12/166 Pages) STMICROELECTRONICS

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Description

ST7LITE20F2 ST7LITE25F2 ST7LITE29F2

12/166

Doc ID 8349 Rev 5

Description

ST7LITE20F2, ST7LITE25F2 and ST7LITE29F2 are referred to as ST7LITE2. The

ST7LITE2 is a member of the ST7 microcontroller family. All ST7 devices are based on a

common industry-standard 8-bit core, featuring an enhanced instruction set.

The ST7LITE2 features FLASH memory with byte-by-byte In-Circuit Programming (ICP) and

In-Application Programming (IAP) capability.

Under software control, the ST7LITE2 device can be placed in WAIT, SLOW, or HALT mode,

reducing power consumption when the application is in idle or standby state.

The enhanced instruction set and addressing modes of the ST7 offer both power and

flexibility to software developers, enabling the design of highly efficient and compact

application code. In addition to standard 8-bit data management, all ST7 microcontrollers

feature true bit manipulation, 8x8 unsigned multiplication and indirect addressing modes.

For easy reference, all parametric data are located in Section 15: Device configuration.

The devices feature an on-chip Debug Module (DM) to support in-circuit debugging (ICD).

For a description of the DM registers, refer to the ST7 ICC Protocol Reference Manual.

Table 1.

Device summary

Features

ST7LITE20F2

ST7LITE25F2

ST7LITE29F2

Program memory -

bytes

8 Kbyte

RAM (stack) - bytes

384 (128)

Data EEPROM - bytes

−−

256

Peripherals

Lite timer with Watchdog,

autoreload timer, 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

Operating supply

2.4V to 5.5V

CPU frequency

Up to 8 MHz

(w/ ext OSC up to 16 MHz)

Up to 8 MHz (w/ ext OSC up to 16 MHz

and int 1MHz RC 1% PLLx8/4 MHz)

Operating temperature

–40 °C to +85 °C

Packages

SO20 300”, DIP20

ST7LITE25F2 数据表(PDF) 12 Page - STMicroelectronics

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