ST7FOXU0 datasheet(10/123 Pages) STMICROELECTRONICS

10 / 123 page

Description

ST7FOXU0

10/123

Description

The ST7FOXU0 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 device is positioned at the entry level of the 8-bit microcontroller range providing an

attractive cost while at the same time embedding the most advanced features.

The ST7FOXU0 features Flash memory with byte-by-byte In-Circuit Programming (ICP) and

In-Application Programming (IAP) capability.

Under software control, the ST7FOXU0 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.

The ST7FOXU0 features 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.

Figure 1.

General block diagram

8-bit core

ALU

PA3 / RESET

Port A

10-bit ADC

with watchdog

Internal

Clock

Control

RAM

(128 Bytes)

PA5:0

(6 bits)

VSS

VDD

Power

Supply

8-MHz RC

Lite timer

Memory

12-bit auto-

reload timer

Flash

2 K Byte

AWU RC

External

Clock

Osc

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