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ST7260XX Datasheet, PDF (1/139 Pages) STMicroelectronics – Low speed USB 8-bit MCU family with up to 8K Flash
ST7260xx
Low speed USB 8-bit MCU family with up to 8K Flash
and serial communications interface
Features
■ Memories
– 4 or 8 Kbytes program memory: high
density Flash (HDFlash), or FastROM with
readout and write protection
– In-application programming (IAP) and in-
circuit 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
specifications (version 1.0)
– Integrated 3.3 V voltage regulator and
transceivers
– Supports USB DFU class specification
– Suspend and Resume operations
– 3 Endpoints with programmable In/Out
configuration
■ Up to 19 I/O ports
– Up to 8 high sink I/Os (10 mA at 1.3 V)
Table 1. Device summary
SO24
QFN40
(6x6)
– 2 very high sink true open drain I/Os (25
mA at 1.5 V)
– Up to 8 lines with interrupt capability
■ 2 timers
– Programmable Watchdog
– 16-bit Timer with 2 Input Captures, 2
Output Compares, PWM output and clock
input
■ Communications interface
– Asynchronous serial communications
interface (SCI)
■ Instruction set
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
■ Development tools
– Versatile development tools including ,
software library, hardware emulator,
programming boards, HID and DFU
software layer
Features
ST7260K2
ST7260K1
ST7260E2
ST7260E1
Flash program memory -
bytes
RAM (stack) - bytes
Peripherals
Operating supply
CPU frequency
Operating temperature
Packages
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)
SO24
February 2009
Rev 3
1/139
www.st.com
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