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PDF ST7L05 Data sheet ( Hoja de datos )
| Número de pieza | ST7L05 | |
| Descripción | 8-bit MCU | |
| Fabricantes | STMicroelectronics | |
| Logotipo |  |
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ST7L05, ST7L09
8-bit MCU for automotive with single voltage Flash memory,
data EEPROM, ADC, timers, SPI
Features
■ Memories
– 1.5 Kbytes program memory: Single voltage
extended Flash (XFlash) with read-out protec-
tion capability, In-Application Programming
(IAP) and In-Circuit Programming (ICP) for
XFlash devices
– 128 bytes RAM
– 128 bytes data EEPROM with read-out pro-
tection, 300K Write/Erase cycles guaranteed
– XFlash and EEPROM data retention: 20
years at 55°C
■ Clock, Reset and Supply Management
– Clock sources: High precision internal RC os-
cillator or external clock
– PLL x8 for 8 MHz internal clock
– 4 Power Saving Modes: Halt, Active Halt, Wait
and Slow
■ Interrupt Management
– 10 interrupt vectors plus TRAP and RESET
– 4 external interrupt lines (on four vectors)
■ I/O Ports
– 13 multifunctional bidirectional I/O lines
– 9 alternate function lines
– 6 high sink outputs
■ 2 Timers
– One 8-bit Lite Timer (LT) with prescaler in-
cluding: Watchdog, one realtime base and
one input capture
– One 12-bit Autoreload Timer (AT) with output
compare function and PWM
SO16
150mil
■ 1 Communication Interface
– SPI synchronous serial interface
■ A/D Converter
– 8-bit resolution for 0 to VDD
– 5 input channels
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions with illegal opcode de-
tection
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
■ Development Tools
– Full hardware/software development package
Table 1. Device Summary
Features
Program Memory
RAM (stack)
Data EEPROM
Peripherals
Operating Supply
CPU Frequency
Operating Temperature
Packages
ST7L05
ST7L09
1.5 Kbytes Flash
128 bytes (64 bytes)
- 128 bytes
Lite Timer with Watchdog, Autoreload Timer with 1 PWM, SPI, 8-bit ADC
3.0 to 5.5V
Up to 8 MHz (with external resonator/clock or internal RC oscillator)
Up to -40 to +85°C, -40 to +105°C
SO16 150mil
Rev. 3
December 2006
1/104
1
1 page  
ST7L05, ST7L09
1 DESCRIPTION
The ST7L0x 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 ST7L0x features Flash memory with byte-by-
byte In-Circuit Programming (ICP) and In-Applica-
tion Programming (IAP) capability.
Under software control, the ST7L0x devices can
be placed in WAIT, SLOW, or HALT mode, reduc-
ing 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, 8 x 8 un-
signed multiplication and indirect addressing
modes.
For easy reference, all parametric data is found in
Section 13 on page 73.
Figure 1. General Block Diagram
VDD
VSS
RESET
1 MHz RC OSC
+
PLL x8
Internal
CLOCK
POWER
SUPPLY
CONTROL
8-bit CORE
ALU
FLASH
MEMORY
(1.5 Kbytes)
RAM
(128 bytes)
DATA EEPROM
(128 bytes)
LITE TIMER
w/ WATCHDOG
PORT A
12-bit AUTO-
RELOAD TIMER
SPI
PORT B
8-bit ADC
PA7:0
(8 bits)
PB4:0
(5 bits)
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5 Page 
ST7L05, ST7L09
Notes:
1. The contents of the I/O port DR registers are readable only in output configuration. In input configuration, the values
of the I/O pins are returned instead of the DR register contents.
2. The bits associated with unavailable pins must always keep their reset value.
11/104
1
11 Page | ||
| Páginas | Total 30 Páginas | |
| PDF Descargar | [ Datasheet ST7L05.PDF ] | |
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