ST7MC1xx/ST7MC2xx
8-bit MCU with nested interrupts, Flash, 10-bit ADC,
brushless motor control, five timers, SPI, LINSCI™
Features
■ Memories
– 8K to 60K dual voltage Flash Program memo-
ry or ROM with read-out protection capability,
In-application programming and In-circuit pro-
gramming.
LQFP80
14 x 14
LQFP64
14 x 14
LQFP44 LQFP32 7x 7
10 x 10
– 384 to 1.5K RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 40 years at 85°C
event detector
■ Clock, reset and supply management
■ 2 Communication interfaces
– Enhanced reset system
– SPI synchronous serial interface
– Enhanced low voltage supervisor (LVD) for
main supply and auxiliary voltage detector
(AVD) with interrupt capability
– Clock sources: crystal/ceramic resonator os-
cillators and by-pass for external clock, clock
security system.
– LINSCI™ asynchronous serial interface
■ Brushless motor control peripheral
– 6 high sink PWM output channels for sine-
wave or trapezoidal inverter control
– Motor safety including asynchronous emer-
gency stop and write-once registers
– Four power saving modes: Halt, Active-halt,
– 4 analog inputs for rotor position detection
(sensorless/hall/tacho/encoder)
– Permanent magnet motor coprocessor includ-
ing multiplier, programmable filters, blanking
windows and event counters
Wait and Slow
■ Interrupt management
– Nested interrupt controller
– 14 interrupt vectors plus TRAP and RESET
– MCES top level interrupt pin
– 16 external interrupt lines (on 3 vectors)
– Operational amplifier and comparator for cur-
rent/voltage mode regulation and limitation
■ Up to 60 I/O ports
■ Analog peripheral
– up to 60 multifunctional bidirectional I/O lines
– 10-bit ADC with 16 input pins
– up to 41 alternate function lines
– up to 12 high sink outputs
■ In-circuit Debug
■ Instruction set
■ 5 timers
– 8-bit data manipulation
– Main clock controller with: Real-time base,
– 63 basic instructions with illegal opcode de-
Beep and clock-out capabilities
tection
– Configurable window watchdog timer
– 17 main Addressing modes
– 8 x 8 unsigned multiply instruction
– True bit manipulation
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input, PWM and
pulse generator modes
■ Development tools
– 8-bit PWM Auto-reload timer with: 2 input cap-
tures, 4 PWM outputs, output compare and
time base interrupt, external clock with
Table 1. Device summary
– Full hardware/software development package
ST7MC2N6 1)/ ST7MC2S4 / ST7MC2S6 / ST7MC2S7 / ST7MC2S9
/ ST7MC2R6 / ST7MC2R7 / ST7MC2R9 / ST7MC2M9
Features
ST7MC1K2 / ST7MC1K4
Program memory - bytes
RAM (stack) - bytes
8K
384 (256)
16K
16K
32K
1024 (256)
48K
60K
1536 (256)
768 (256) 768 (256)
Watchdog, 16-bit Timer A, LINSCI™, 10-bit ADC, MTC, 8-bit PWM ART, ICD
Peripherals
SPI, 16-bit Timer B
-
Operating
Supply vs. Frequency
4.5 to 5.5V with f
≤8MHz
CPU
-40°C to +85°C
/-40°C to +125°C
-40°C to
+85°C
LQFP32
-40°C to +85°C
-40°C to +125°C
-40°C to
+125°C
Temperature Range
-40°C to +85 °C
1)
Package
LQFP32
LQFP44 SDIP56 /LQFP64 LQFP64/44 LQFP80/64 LQFP44
Note 1: For development only. No production
April 2009
Rev 13
1/309
1