ST7MC1/ST7MC2
8-BIT MCU WITH NESTED INTERRUPTS, FLASH, 10-BIT ADC,
BRUSHLESS MOTOR CONTROL, FIVE TIMERS, SPI, LINSCI
PRODUCT PREVIEW
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Memories
– 8K to 60K dual voltage FLASH Program mem-
ory or ROM with read-out protection capabili-
ty. In-Application Programming and In-Circuit
Programming.
– 384 to 1.5K RAM
– HDFlash endurance: 100 cycles, data reten-
tion: 20 years
TQFP64
14 x 14
TQFP44
10 x 10
TQFP80
14 x 14
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Clock, Reset And Supply Management
– Enhanced reset system
TQFP32
7 x 7
– 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.
– Four power saving modes: Halt, Active-Halt,
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)
Up to 60 I/O Ports
– up to 60 multifunctional bidirectional I/O lines
– up to 41 alternate function lines
– up to 11 high sink outputs
SDIP56
SDIP32
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2 Communication Interfaces
– SPI synchronous serial interface
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
– 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
–
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– Operational amplifier and comparator for cur-
rent/voltage mode regulation and limitation
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Analog peripheral
5 Timers
– 10-bit ADC with 16 input pins
– Main Clock Controller with: Real time base,
Beep and Clock-out capabilities
– Configurable window watchdog timer
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In-circuit Debug
Instruction Set
– 8-bit Data Manipulation
– Two 16-bit timers with: 2 input captures, 2 out-
put compares, external clock input, 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
– 63 Basic Instructions
– 17 main Addressing Modes
– 8 x 8 Unsigned Multiply Instruction
– True Bit Manipulation
Development Tools
– Full hardware/software development package
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Device Summary
Features
ST7MC1
8K
ST7MC2
Program memory - bytes
RAM (stack) - bytes
16K
24K
1024 (256)
32K
48K
60K
384 (256)
768 (256)
1024 (256)
1536 (256)
1536 (256)
Watchdog, 16-bit Timer A, LINSCI
, 10-bit ADC, MTC, 8-bit PWM ART, ICD
SPI, 16-bit Timer B
Peripherals
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Operating
Supply vs. Frequency
4.5 to 5.5V with f
≤8MHz
CPU
-40°C to +85°C
/ -40°C to +125°C
Temperature Range
Package
-40°C to +85 °C
TQFP64
SDIP32/TQFP32
TQFP44
SDIP56/TQFP64
TQFP80
Rev. 2.1
April 2004
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This is preliminary information on a new product now in development. Details are subject to change without notice.
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