ST7L34 Datasheet, PDF (1/234 Pages) –

ST7L34 ST7L35
ST7L38 ST7L39
8-bit MCU for automotive with single voltage Flash/ROM,
data EEPROM, ADC, timers, SPI, LINSCI™
Features
■ Memories
– 8 Kbytes program memory: Single voltage
extended Flash (XFlash) or ROM with
) ^{readout protection capability. In-application}
t(s ^{programming and in-circuit programming}
(IAP and ICP) for XFlash devices
uc – 384 bytes RAM
d _{– 256 bytes data EEPROM (XFlash and}
ro ^{ROM devices) with readout protection,}
P ^{300 K write/erase cycles guaranteed}
– XFlash and EEPROM data retention
te _{20 years at 55°C}
le _{■ Clock, reset and supply management}
so – Enhanced reset system
b _{– Enhanced low voltage supervisor (LVD) for}
O main supply and an auxiliary voltage
- detector (AVD) with interrupt capability for
) _{implementing safe power-down procedures}
t(s ^{– Clock sources: Internal 1% RC oscillator,}
c ^{crystal/ceramic resonator or external clock}
u – Optional x8 PLL for 8 MHz internal clock
d _{– 5 power saving modes: Halt, active halt,}
ro auto wakeup from halt, wait and slow
P _{■ I/O ports}
te ^{– Up to 15 multifunctional bidirectional I/O}
le ^lines
o ^{– 7 high sink outputs}
s _{■ 5 timers}
Ob^{– Configurable watchdog timer}
SO20
300 mil
QFN20
■ 2 communication interfaces
– Master/slave LINSCI™ asynchronous
serial interface
– SPI synchronous serial interface
■ Interrupt management
– 10 interrupt vectors plus TRAP and reset
– 12 external interrupt lines (on 4 vectors)
■ A/D converter
– 7 input channels
– 10-bit resolution
■ Instruction set
– 8-bit data manipulation
– 63 basic instructions with illegal opcode
detection
– 17 main addressing modes
– 8 x 8 unsigned multiply instructions
■ Development tools
– Full hardware/software development
package
– DM (debug module)
– Two 8-bit lite timers with prescaler, 1 real-
time base and 1 input capture
– Two 12-bit autoreload timers with 4 PWM
outputs, 1 input capture and 4 output
compare functions
November 2011
Doc ID 11928 Rev 8
1/234
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