Introduction
This user’s manual targets application developers who use A96G166/A96A166/A96S166 for their
specific needs. It provides complete information of how to use A96G166/A96A166/A96S166 device.
Standard functions and blocks including corresponding register information of
A96G166/A96A166/A96S166 are introduced in each chapter, while instruction set is in Appendix.
A96G166/A96A166/A96S166 is based on M8051 core, and provides standard features of 8051 such
as 8-bit ALU, PC, 8-bit registers, timers and counters, serial data communication, PSW, DPTR, SP, 8-
bit data bus and 2x16-bit address bus, and 8/11/16-bit operations.
In addition, this device incorporates followings to offer highly flexible and cost-effective solutions:
16Kbytes of FLASH, 256bytes of IRAM, 512bytes of XRAM, general purpose I/O, basic interval timer,
watchdog timer, 8/16-bit timer/counter, 16-bit PPG output, 8-bit PWM output, 16-bit PWM output,
watch timer, buzzer driving port, USART, I2C, CRC, 12-bit A/D converter, on-chip POR, LVR, LVI, on-
chip oscillator and clock circuitry.
As a field proven best seller, A96G166/A96A166/A96S166 has been sold more than 3 billion units up
to now, and introduces rich features such as excellent noise immunity, code optimization, cost
effectiveness, and so on.
Reference document
ï‚Ÿ A96G166/A96A166/A96S166 programming tools and manuals released by ABOV: They are
available at ABOV website, www.abovsemi.com.
 SDK-51 User’s guide (System Design Kit) released by Intel in 1982: It contains all of
components of a single-board computer based on Intel’s 8051 single-chip microcomputer
ï‚Ÿ Information on Mentor Graphics 8051 microcontroller: The technical document is provided at
Mentor website, https://www.mentor.com/products/ip/peripheral/microcontroller/
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