ST72324BLxx-Auto
3.3V range 8-bit MCU for automotive with 16/32 Kbyte Flash or
16 Kbyte ROM, 10-bit ADC, 4 timers, SPI and SCI interfaces
Features
Memories
■ 16/32 Kbyte dual voltage high density Flash
(HDFlash) or 16 Kbyte ROM with readout
protection capability (in-application
programming and in-circuit programming for
HDFlash devices)
LQFP32 7 x 7
LQFP44 10 x 10
■ 512 bytes to 1 Kbyte RAM
4 timers
■ HDFlash endurance: 100 cycles, data retention
■ Main clock controller with real-time base, beep
20 years
and clock-out capabilities
■ Configurable watchdog timer
Clock, reset and supply management
■ 16-bit timer A with 1 input capture, 1 output
compare, external clock input, PWM and pulse
generator modes
■ Clock sources: Crystal/ceramic resonator
oscillators, internal RC oscillator and bypass
for external clock
■ 16-bit timer B with 2 input captures, 2 output
■ PLL for 2x frequency multiplication
compares, PWM and pulse generator modes
■ 4 power saving modes: Halt, Active Halt, Wait
and Slow
2 communication interfaces
■ SPI synchronous serial interface
■ SCI asynchronous serial interface
Interrupt management
■ Nested interrupt controller
■ 10 interrupt vectors plus TRAP and reset
■ 9/6 external interrupt lines (on 4 vectors)
Instruction set
■ 8-bit data manipulation
■ 63 basic instructions
Up to 32 I/O ports
■ 17 main addressing modes
■ 8 x 8 unsigned multiply instruction
■ 32/24 multifunctional bidirectional I/O lines
■ 22/17 alternate function lines
■ 12/10 high sink outputs
Development tools
■ Full hardware/software development package
■ In-circuit testing capability
Analog peripheral
■ 10-bit ADC with up to 12 input ports
Table 1.
Device summary
ST72324BLJ6-Auto ST72324BLK6-Auto ST72324BLJ4-Auto ST72324BLK4-Auto
Feature
Program memory - bytes
RAM (stack) - bytes
Voltage range
Flash 32K
1024 (256)
Flash/ROM 16K
512 (256)
3.0V to 3.6V
Temperature range
Packages
-40°C to +85°C
LQFP44 10x10
LQFP32 7x7
LQFP44 10x10
LQFP32 7x7
September 2007
Rev 2
1/199
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