ST72325xxx-Auto
8-bit MCU for automotive with 16 to 60 Kbyte Flash, ADC,
CSS, 5 timers, SPI, SCI, I2C interface
Features
■ Memories
LQFP32
7 x 7
LQFP44
10 x 10
– 16 to 60 Kbyte dual voltage High Density
Flash (HDFlash) with readout protection
capability. In-application programming and
in-circuit programming for HDFlash devices
– 512 to 2048 bytes RAM
LQFP64
10 x 10
LQFP64
14 x 14
– HDFlash endurance: 100 cycles, data
retention 20 years
– Two 16-bit timers with 2 input captures, 2
output compares, external clock input on 1
timer, PWM and pulse generator modes
■ Clock, reset and supply management
– Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator
oscillators, internal RC oscillator and
bypass for external clock
– 8-bit PWM auto-reload timer with 2 input
captures, 4 PWM outputs, output compare
and time base interrupt, external clock with
event detector
■ 3 communications interfaces
– SPI synchronous serial interface
– SCI asynchronous serial interface
– PLL for 2x frequency multiplication
– 4 power saving modes: Halt, Active Halt,
Wait and Slow
2
– I C multimaster interface
– Clock security system
■ Instruction set
■ Interrupt management
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8x8 unsigned multiply instruction
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– Top Level Interrupt (TLI) pin on 64-pin
devices
■ Development tools
– 9/6 external interrupt lines (on 4 vectors)
– Full hardware/software development
package
■ 1 analog peripheral (low current coupling)
– 10-bit ADC with up to 16 input ports
– DM (debug module)
■ Up to 48 I/O ports
– 48/32/24 multifunctional bidirectional I/O
lines
Table 1.
Device summary
Part number
Reference
– 34/22/17 alternate function lines
– 16/12/10 high sink outputs
ST72325K4-Auto, ST72325K6-Auto,
ST72325J4-Auto, ST72325J6-Auto,
■ 5 timers
ST72325xxx- ST72325J7-Auto, ST72325J9-Auto,
Auto
ST72325AR6-Auto, ST72325R6-Auto,
ST72325AR7-Auto, ST72325R7-Auto,
ST72325AR9-Auto, ST72325R9-Auto
– Main clock controller with Real-time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
June 2010
Doc ID 13770 Rev 2
1/243
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