ST72325XXX Datasheet, PDF (1/243 Pages) STMicroelectronics – SCI asynchronous serial interface

ST72325xxx-Auto
8-bit MCU for automotive with 16 to 60 Kbyte Flash, ADC,
CSS, 5 timers, SPI, SCI, I2C interface
Features
■ Memories
– 16 to 60 Kbyte dual voltage High Density
Flash (HDFlash) with readout protection
capability. In-application programming and
LQFP32
7x7
LQFP44
10 x 10
in-circuit programming for HDFlash devices
– 512 to 2048 bytes RAM
– HDFlash endurance: 100 cycles, data
retention 20 years
t(s) ■ Clock, reset and supply management
– Enhanced low voltage supervisor (LVD) for
c _{main supply and auxiliary voltage detector}
du ^{(AVD) with interrupt capability}
ro ^{– Clock sources: crystal/ceramic resonator}
P ^{oscillators, internal RC oscillator and}
bypass for external clock
te _{– PLL for 2x frequency multiplication}
le _{– 4 power saving modes: Halt, Active Halt,}
so ^{Wait and Slow}
b _{– Clock security system}
O _{■ Interrupt management}
) ^{- – Nested interrupt controller}
t(s ^{– 14 interrupt vectors plus TRAP and RESET}
c ^{– Top Level Interrupt (TLI) pin on 64-pin}
u _devices
d _{– 9/6 external interrupt lines (on 4 vectors)}
ro _{■ 1 analog peripheral (low current coupling)}
P _{– 10-bit ADC with up to 16 input ports}
te _{■ Up to 48 I/O ports}
le _{– 48/32/24 multifunctional bidirectional I/O}
solines
b_{– 34/22/17 alternate function lines}
O _{– 16/12/10 high sink outputs}
LQFP64
10 x 10
LQFP64
14 x 14
– Two 16-bit timers with 2 input captures, 2
output compares, external clock input on 1
timer, PWM and pulse generator modes
– 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
– I²C multimaster interface
■ Instruction set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8x8 unsigned multiply instruction
■ Development tools
– Full hardware/software development
package
– DM (debug module)
Table 1. Device summary
Reference
Part number
ST72325K4-Auto, ST72325K6-Auto,
ST72325J4-Auto, ST72325J6-Auto,
■ 5 timers
ST72325xxx- ST72325J7-Auto, ST72325J9-Auto,
– Main clock controller with Real-time base,
Auto
Beep and Clock-out capabilities
– Configurable watchdog timer
ST72325AR6-Auto, ST72325R6-Auto,
ST72325AR7-Auto, ST72325R7-Auto,
ST72325AR9-Auto, ST72325R9-Auto
August 2010
Doc ID 13770 Rev 3
1/243
www.st.com
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