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ST7L15 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. ST7L15
Description  8-bit MCU for automotive with single voltage Flash/ROM memory, data EEPROM, ADC, 5 timers, SPI
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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ST7L15 Datasheet(HTML) 4 Page - STMicroelectronics

 
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ST7L15, ST7L19
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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
to
16 MHz
ADC
12-bit
AUTORELOAD
TIMER 4
CLKIN
/ 2
or PLL x4*
WATCHDOG
DEBUG MODULE
PORT C*
PC1:0
(2 bits)
1


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