ST72325_07 Datasheet, PDF (1/196 Pages) STMicroelectronics – 8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS, 5 timers, SPI, SCI, I2C interface

ST72325
8-bit MCU with 16 to 60K Flash/ROM, ADC, CSS,
5 timers, SPI, SCI, I²C interface
Features
■ Memories
– 16K to 60K dual voltage High Density Flash
(HDFlash) or up to 32K ROM with read-out
protection capability. In-Application Program-
ming and In-Circuit Programming for HDFlash
devices
– 512 to 2048 bytes RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 40 years at 85°C
■ 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 os-
cillators, internal RC oscillator and bypass for
external clock
– PLL for 2x frequency multiplication
– Four Power Saving Modes: Halt, Active-Halt,
Wait and Slow
– Clock Security System
■ Interrupt management
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– Top Level Interrupt (TLI) pin on 64-pin devices
– 9/6 external interrupt lines (on 4 vectors)
■ Up to 48 I/O ports
– 48/36/32/24 multifunctional bidirectional I/O
lines
– 34/26/22/17 alternate function lines
– 16/13/12/10 high sink outputs
■ 5 timers
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable watchdog timer
– Two 16-bit timers with: 2 input captures, 2 out-
LQFP64
10 x 10
LQFP44 LQFP48 LQFP32
10 x 10 7 x 7
7x7
LQFP64
14 x 14
SDIP42
600 mil
SDIP32
400 mil
put compares, external clock input on one tim-
er, PWM and pulse generator modes
– 8-bit PWM Auto-reload timer with: 2 input cap-
tures, 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
■ 1 Analog peripheral (low current coupling)
– 10-bit ADC with up to 16 robust input ports
■ Instruction set
– 8-bit Data Manipulation
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
■ Development tools
– Full hardware/software development package
– DM (Debug module)
Table 1. Device Summary
Features
Program memory - bytes
RAM (stack) - bytes
Operating Voltage
Temp. Range
Package
ST72325
(S/J/K)4
ROM 16K
512 (256)
ST72325
(S/J/K)6
ROM 32K
1024(256)
ST72F325
(S/J/K)4
Flash 16K
512 (256)
LQFP48 (S), LQFP44/SDIP42 (J),
LQFP32/DIP32 (K)
ST72F325
(AR/C/S/J/K)6
Flash 32K
1024(256)
3.8V to 5.5V
up to -40°C to +125°C
LQFP64 10x10 (AR),
LQFP48 (C/S),
LQFP44/ SDIP42 (J),
LQFP32/DIP32 (K)
ST72F325
(R/AR/C/J)7
Flash 48K
1536 (256)
ST72F325
(R/AR/C/J)9
Flash 60K
2048(256)
LQFP64 14x14(R), LQFP64 10x10(AR),
LQFP48 (C), LQFP44 (J)
Rev 3
April 2007
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