8-bit MCU - STMicroelectronics
Description
ST7LUS5, ST7LU05, ST7LU09
8-bit low cost, low pin-count MCU for automotive, with single voltage Flash memory, ADC, timers
Features
Memories
■ 1 to 2 Kbytes single voltage Flash program memory with readout protection, in-circuit and in-application programming (ICP and IAP), 10k write/erase cycles guaranteed, data retention 20 years
■ 128 bytes RAM ■ Up to 128 bytes data EEPROM, 300k
write/erase cycles guaranteed, data retention 20 years
Clock, reset and supply management
■ Internal low voltage supervisor (LVD) for reliable power-on/-off start-up procedures
■ Clock sources: Internal trimmable 8 MHz RC oscillator, internal low power, low frequency RC oscillator or external clock
■ 5 power saving modes: Halt, auto wake-up from halt, active halt, wait and slow
Interrupt management
■ 11 interrupt vectors plus TRAP and reset ■ 5 external interrupt lines (on 5 vectors)
I/O ports
■ 5 multifunctional bidirectional I/O lines ■ 1 additional output line ■ 6 alternate function lines ■ 5 high sink outputs
SO8 150-mil (1)
2 timers
■ One 8-bit lite timer with prescaler including: watchdog, 1 real-time base and 1 input capture
■ One 12-bit auto-reload timer with output compare function and PWM
A/D converter
■ 10-bit resolution for 0 to VDD ■ 5 input channels
Instruction set
■ 8-bit data manipulation ■ 63 basic instructions with illegal opcode
detection ■ 17 main addressing modes ■ 8 x 8 unsigned multiply instruction
Development tools
■ Full hardware/software development package ■ Debug module
Table 1.
Device summary
Device
Flash program memory
RAM/EEPROM
Peripherals
Operating CPU Operating voltage frequency temp.
ST7LUS5 ST7LU05
ST7LU09
1 Kbyte 2 Kbytes
128 bytes RAM/no EEPROM
128 bytes RAM/128 bytes EEPROM
Lite timer with watchdog, auto-reload timer with 1 PWM, 10-bit ADC
3.
0V to 5.
5V
@ fCPU = 8 MHz
Up to 8 MHz RC
-40°C to +85°C/ -40°C to 125°C
1.
DIP16 package available for development or tool prototyping purposes only.
Not orderable in production quantities.
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