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ST72171 Datasheet

  • ST72171

  • 8-BIT MCU WITH 8K FLASH. ADC. WDG. SPI. SCI. TIMERS SPGAS (S...

  • 1379.06KB

  • 152頁

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ST72C171
8-BIT MCU with 8K FLASH, ADC, WDG, SPI, SCI, TIMERS
SPGAs (Software Programmable Gain Amplifiers), OP-AMP
PRODUCT PREVIEW
s
s
s
s
s
Memories
鈥?8K of single voltage Flash Program memory
with read-out protection
鈥?In-Situ Programming (Remote ISP)
Clock, Reset and Supply Management
鈥?Enhanced Reset System
鈥?Low voltage supervisor (LVD) with 3 program-
mable levels
鈥?Low consumption resonator or RC oscillators
(internal or external) and by-pass for external
clock source, with safe control capabilities
鈥?3 Power Saving modes
22 I/O Ports
鈥?22 multifunctional bidirectional I/O lines:
鈥?16 interrupt inputs on 2 independent lines
鈥?8 lines configurable as analog inputs
鈥?20 alternate functions
鈥?EMI filtering
2 Timers and Watchdog
鈥?One 16-bit Timer with: 2 Input Captures, 2
Output Compares, external Clock input, PWM
and Pulse Generator modes
鈥?One 8-bit Autoreload Timer (ART) with: 2
PWM output channels (internally connectable
to the SPGA inputs), 1 Input Capture, external
clock input
鈥?Configurable watchdog (WDG)
2 Communications Interfaces
鈥?Synchronous Serial Peripheral Interface (SPI)
鈥?Serial Communications Interface (SCI)
SO34
PSDIP32
s
s
s
3 Analog peripherals
鈥?2 Software Programmable Gain Operational
Amplifiers (SPGAs) with rail-to-rail input and
output, V
DD
independent (band gap) and pro-
grammable reference voltage (1/8 V
DD
reso-
lution), Offset compensation, DAC & on/off
switching capability
鈥?1 rail-to-rail input and output Op-Amp
鈥?8-bit A/D Converter with up to 11 channels (in-
cluding 3 internal channels connected to the
Op-Amp & SPGA outputs)
Instruction Set
鈥?8-bit data manipulation
鈥?63 basic Instructions
鈥?17 main addressing modes
鈥?8 x 8 unsigned multiply instruction
鈥?True bit manipulation
Development Tools
鈥?Full hardware/software development package
Device Summary
Features
Flash - bytes
RAM (stack) - bytes
Peripherals
ST72C171K2M
8K Single Voltage
256 (128)
ST72C171K2B
2 SPGAs, 1 Op-Amp,
2 SPGAs,
Watchdog, 3 Timers, SPI, SCI, ADC (11 chan.) Watchdog, 3 Timers, SPI, SCI, ADC (11 chan.)
Operating Supply
3.2 V to 5.5 V
CPU Frequency
Up to 8 MHz (with up to 16 MHz oscillator)
Temperature Range
- 40擄C to + 85擄C
Package
SO34
PSDIP32
Rev. 1.4
October 2000
This is preliminary information on a new product in development or undergoing evaluation. Details are subject to change without notice.
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