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ST7260K1

LOW SPEED USB 8-BIT MCU FAMILYWITH UP TO 8K FLASH/ROM AND SERIAL COMMUNICATION INTERFACE (SCI)

STMicroelectronics 

ST7260

LOW SPEED USB 8-BIT MCU FAMILY WITH UP TO 8K FLASH/ROM

AND SERIAL COMMUNICATION INTERFACE (SCI)

■ Memories

– 4 or 8 Kbytes Program Memory: High Density

Flash (HDFlash), FastROM or ROM with Re-

adout and Write Protection

– In-Application Programming (IAP) and In-Cir-

cuit programming (ICP)

– 384 bytes RAM memory (128-byte stack)

■ Clock, Reset and Supply Management

– Run, Wait, Slow and Halt CPU modes

– 12 or 24 MHz Oscillator

– RAM Retention mode

– Optional Low Voltage Detector (LVD)

■ USB (Universal Serial Bus) Interface

– DMA for low speed applications compliant

with USB 1.5 Mbs (version 2.0) and HID spec-

ifications (version 1.0)

– Integrated 3.3 V voltage regulator and trans-

ceivers

– Supports USB DFU class specification

– Suspend and Resume operations

– 3 Endpoints with programmable In/Out config-

uration

■ Up to 19 I/O Ports

– Up to 8 high sink I/Os (10 mA at 1.3 V)

– 2 very high sink true open drain I/Os (25 mA

at 1.5 V)

– Up to 8 lines individually programmable as in-

terrupt inputs

SO24

QFN40

(6x6)

■ 2 Timers

– Programmable Watchdog

– 16-bit Timer with 2 Input Captures, 2 Output

Compares, PWM output and clock input

■ 1 Communication Interface

– Asynchronous Serial Communications Inter-

face

■ Instruction Set

– 63 basic instructions

– 17 main addressing modes

– 8 x 8 unsigned multiply instruction

– True bit manipulation

■ Development Tools

– Versatile Development Tools (under Win-

dows) including assembler, linker, C-compil-

er, archiver, source level debugger, software

library, hardware emulator, programming

boards and gang programmers, HID and DFU

software layers

Table 1. Device Summary

Features

Program Memory -bytes

(Flash or ROM)

RAM (stack) - bytes

Standard Peripherals

Other Peripherals

Operating Supply

CPU frequency

Operating temperature

Packages

ST7260K2

ST7260K1

ST7260E2

ST7260E1

8K

4K

8K

4K

384 (128)

Watchdog timer, 16-bit timer, USB

SCI

4.0 V to 5.5 V

8 MHz (with 24 MHz oscillator) or 4 MHz (with 12 MHz oscillator)

0 °C to +70 °C

QFN40 (6x6)

QFN40 (6x6)

SO24

November 2006

Rev. 2.0

1/117

1

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