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
t(s write/erase cycles guaranteed, data retention
20 years
c ■ 128 bytes RAM
du ■ Up to 128 bytes data EEPROM, 300k
ro ) write/erase cycles guaranteed, data retention
P t(s 20 years
te c Clock, reset and supply management
le du ■ Internal low voltage supervisor (LVD) for
so ro reliable power-on/-off start-up procedures
b P ■ Clock sources: Internal trimmable 8 MHz RC
oscillator, internal low power, low frequency
- O te RC oscillator or external clock
) le ■ 5 power saving modes: Halt, auto wake-up
t(s o from halt, active halt, wait and slow
c bs Interrupt management
du O ■ 11 interrupt vectors plus TRAP and reset
ro ) - ■ 5 external interrupt lines (on 5 vectors)
P t(s I/O ports
lete uc ■ 5 multifunctional bidirectional I/O lines
d ■ 1 additional output line
so ro ■ 6 alternate function lines
b P ■ 5 high sink outputs
O lete Table 1. Device summary
so Device
Flash program
memory
RAM/EEPROM
ObST7LUS5 1 Kbyte
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
Peripherals
Operating CPU Operating
voltage frequency temp.
Lite timer with
ST7LU05
ST7LU09
2 Kbytes
128 bytes RAM/no EEPROM
128 bytes RAM/128 bytes
EEPROM
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.
February 2008
Rev 3
1/124
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