ST7LITEUS2 Datasheet, PDF (1/136 Pages) STMicroelectronics – Interrupt management

ST7LITEUS2
ST7LITEUS5
8-bit MCU with single voltage Flash memory, ADC, timers
Features
■ Memories
– 1 Kbytes single-voltage Flash Program
memory with readout protection, ICP and
) ^IAP)
t(s ^{10 K write/erase cycles guaranteed}
data retention: 20 years at 55 °C
uc – 128 bytes RAM
d _{■ Clock, Reset and Supply management}
Pro _t(s) ^{– 3-level low-voltage supervisor (LVD) and}
auxiliary voltage detector (AVD) for safe
te ^{c power-on/off}
le du ^{– Clock sources: internal trimmable 8 MHz}
so ^{ro RC oscillator, internal low power, low}
frequency RC oscillator or external clock
b ^P _{– Five power saving modes: Halt, Auto-}
- ^{O te wakeup from Halt, Active-halt, Wait, Slow}
) ^le _{■ Interrupt management}
t(s ^{so – 11 interrupt vectors plus TRAP and RESET}
c ^b _{– 5 external interrupt lines (on 5 vectors)}
du _- ^O ■ I/O ports
ro ^{) – 5 multifunctional bidirectional I/O lines}
P _t(s – 1 additional Output line
te ^{c – 6 alternate function lines}
le ^{u – 5 high sink outputs}
so ^{rod Table 1. Device summary}
Plastic DIP8
SO8
150”
DFN8 ^{Plastic DIP16}
■ 2 Timers
– One 8-bit Lite timer (LT) with prescaler
including: watchdog, one realtime base and
one 8-bit input capture.
– One 12-bit auto-reload timer (AT) with
output compare function and PWM
■ A/D Converter
– 10-bit resolution for 0 to V_DD
– 5 input channels
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions with illegal opcode
detection
– 17 main addressing modes
– 8x8 unsigned multiply instruction
■ Development Tools
– Full hardware/software development
package
– Debug module
b P _Features
ST7LITEUS2
ST7LITEUS5
O _{te Program memory}
le _{RAM (stack)}
so _Peripherals
Ob^ADC
1 Kbytes
128 (64) bytes
LT Timer w/ Wdg, AT Timer w/ 1 PWM
-
10-bit
Operating Supply
2.4 to 3.3 V @f_CPU=4 MHz, 3.3 to 5.5 V @f_CPU=8 MHz
CPU Frequency
up to 8 MHz RC
Operating Temperature
Packages
-40 to +85 °C / -40 to 125 °C
SO8 150”, Pastic DIP8, DFN8, Pastic DIP16⁽¹⁾
1. For development or tool prototyping purposes only. Not orderable in production quantities.
February 2009
Rev 5
1/136
www.st.com
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