ST72561
8-bit MCU with Flash or ROM,
10-bit ADC, 5 timers, SPI, LINSCI™, active CAN
Features
■ Memories
– 16K to 60K High Density Flash (HDFlash) or
ROM with read-out protection capability. In-
Application Programming and In-Circuit Pro-
gramming for HDFlash devices
LQFP32
7x7mm
LQFP64
14x14mm
– 1 to 2K RAM
– HDFlash endurance: 100 cycles, data reten-
tion 40 years at 85°C
■ Clock, Reset and Supply Management
– Low power crystal/ceramic resonator oscilla-
tors and bypass for external clock
– PLL for 2x frequency multiplication
LQFP44
10x10mm
LQFP64
10x10mm
– 5 power saving modes: Halt, Auto Wake Up
From Halt, Active Halt, Wait and Slow
■ Interrupt Management
– Main clock controller with real-time base and
clock output
– Window watchdog timer
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– TLI top level interrupt (on 64-pin devices)
– Up to 21 external interrupt lines (on 4 vectors)
■ Up to 48 I/O Ports
■ Up to 4 Communications Interfaces
– SPI synchronous serial interface
– Master/slave LINSCI™ asynchronous serial
interface
– Up to 48 multifunctional bidirectional I/O lines
– Up to 36 alternate function lines
– Up to 6 high sink outputs
– Master-only LINSCI™ asynchronous serial in-
terface
– CAN 2.0B active
■ Analog Peripheral (Low Current Coupling)
– 10-bit A/D converter with up to 16 inputs
– Up to 9 robust ports (low current coupling)
■ Instruction Set
– 8-bit data manipulation
– 63 basic instructions
– 17 main addressing modes
– 8 x 8 unsigned multiply instruction
■ Development Tools
■ 5 Timers
– 16-bit timer with 2 input captures, 2 output
compares, external clock input, PWM and
pulse generator modes
– 8-bit timer with 1 or 2 input captures, 1 or 2
output compares, PWM and pulse generator
modes
– 8-bit PWM auto-reload timer with 1 or 2 input
captures, 2 or 4 independent PWM output
channels, output compare and time base in-
terrupt, external clock with event detector
– Full hardware/software development package
Table 1. Device Summary
ST72561AR9/ST72561R9/
ST72561J9/ST72561K9
ST72561AR6/ST72561R6/ ST72561AR4/ST72561J4/
Features
ST72561AR7
ST72561J6/ST72561K6
ST72561K4
Program memory - bytes
RAM (stack) - bytes
Operating Supply
CPU Frequency
60K
48K
32K
16K
2K (256)
2K (256)
1.5K (256)
1K (256)
4.5V to 5.5V
External Resonator Osc. w/ PLLx2/8 MHz
-40°C to +125°C
Max. Temp. Range
Packages
LQFP64 10x10mm (AR), LQFP64 14x14mm (R) LQFP44 10x10mm (J), LQFP32 7x7mm (K)
Rev. 7
1/265
October 2008
1