sx20ac Parallax, Inc., sx20ac Datasheet

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sx20ac

Manufacturer Part Number
sx20ac
Description
Configurable Communications Controllers With Ee/flash Program Memory, In-system Programming Capability And On-chip Debug
Manufacturer
Parallax, Inc.
Datasheet

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SX20AC/SX28AC
Configurable Communications Controllers with EE/Flash Program Memory,
In-System Programming Capability and On-Chip Debug
1.0
1.1.
The Parallax SX family of configurable communications
controllers is fabricated in an advanced CMOS process
technology. The advanced process, combined with a
RISC-like architecture, allows high-speed computation,
flexible I/O control, and efficient data manipulation.
Throughput is enhanced by operating the device at
frequencies up to 75 MHz and by optimizing the
instruction set to include mostly single-cycle instructions.
The deterministic architecture of the SX provides reliable
performance for time-critical applications. In addition,
Parallax and the Parallax logo are trademarks of Parallax, Inc.
SX is a trademark of Ubicom Inc, used with permission.
© Parallax Inc.
PRODUCT OVERVIEW
Introduction
Figure 1-1: Block Diagram
Page 1 of 51
the SX architecture is flash-based and therefore
reprogrammable. On-chip functions include a general-
purpose 8-bit timer with prescaler, an analog comparator,
a brown-out detector, a watchdog timer, a power-save
mode with multi-source wakeup capability, an internal
R/C oscillator, user-selectable clock modes, and high-
current outputs. These features enable the SX to be used
as a general-purpose, high-speed microcontroller in a
variety of applications.
I
are the property of their respective holders.
2
C is a trademark of Philips Corporation. All other trademarks
Rev 1.6 11/20/2006

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