ST7FL15F1MATRE datasheet(4/138 Pages) STMICROELECTRONICS

4 / 138 page

ST7L15, ST7L19

4/138

1 INTRODUCTION

1.1 DESCRIPTION

The ST7L1x is a member of the ST7 microcontrol-

ler family suitable for automotive applications. All

ST7 devices are based on a common industry-

standard 8-bit core, featuring an enhanced instruc-

tion set.

The ST7L1 features Flash memory with byte-by-

byte In-Circuit Programming (ICP) and In-Applica-

tion Programming (IAP) capability.

Under software control, the ST7L1 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 micro-

controllers feature true bit manipulation, 8x8 un-

signed multiplication and indirect addressing

modes.

1.2 PARAMETRIC DATA

For easy reference, all parametric data is located

in section 13 on page 98.

1.3 DEBUG MODULE

The ST7L1 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

*Note: Not available on ROM devices.

8-bit CORE

ALU

OSC1

OSC2

RESET

PORT A

INTERNAL

CLOCK

CONTROL

RAM

(256 bytes)

PA7:0

(8 bits)

VSS

VDD

POWER

SUPPLY

PROGRAM

(up to 4 Kbytes)

LVD

MEMORY

PLL x8

Ext.

1 MHz

Int.

1 MHz

8-bit

LITE TIMER 2

PORT B

SPI

PB6:0

(7 bits)

DATA EEPROM

(128 bytes)

1% RC

OSC

16 MHz

ADC

12-bit

AUTORELOAD

TIMER 4

CLKIN

/ 2

or PLL x4*

WATCHDOG

DEBUG MODULE

PORT C*

PC1:0

(2 bits)

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