Wreg,#count

								INSTRUCTION SET REFERENCE
			Table A-6. Instruction Set (Continued)

Mnemonic			Operation						Instruction Format

SHL	SHIFT WORD LEFT. Shifts the destination
	word operand to the left as many times as							SHL	wreg,#count
	specified by the count operand. The count							SHL	wreg,#count
	specified by the count operand. The count							(00001001) (count) (wreg)
	may be specified either as an immediate							(00001001) (count) (wreg)
	may be specified either as an immediate
	value in the range of 0 to 15 (0FH), inclusive,							or
	or as the content of any register (10H –							SHL	wreg,breg
	0FFH) with a value in the range of 0 to 31							SHL	wreg,breg
	0FFH) with a value in the range of 0 to 31							(00001001) (breg) (wreg)
	(1FH), inclusive. The right bits of the result							(00001001) (breg) (wreg)
	(1FH), inclusive. The right bits of the result
	are filled with zeros. The last bit shifted out is
	saved in the carry flag.
	Temp ← (COUNT)
	do while Temp ≠ 0
	C ← High order bit of (DEST)
	(DEST) ← (DEST) × 2
	Temp ← Temp – 1
	end_while

			PSW Flag Settings
		Z	N	C	V	VT	ST
		✓	✓	✓	✓	−	—

SHLB	SHIFT BYTE LEFT. Shifts the destination
	byte operand to the left as many times as							SHLB	breg,#count
	specified by the count operand. The count							SHLB	breg,#count
	specified by the count operand. The count							(00011001) (count) (breg)
	may be specified either as an immediate							(00011001) (count) (breg)
	may be specified either as an immediate							or
	value in the range of 0 to 15 (0FH), inclusive,							or
	or as the content of any register (10H –							SHLB	breg,breg
	0FFH) with a value in the range of 0 to 31							SHLB	breg,breg
	0FFH) with a value in the range of 0 to 31							(00011001) (breg) (breg)
	(1FH), inclusive. The right bits of the result							(00011001) (breg) (breg)
	(1FH), inclusive. The right bits of the result
	are filled with zeros. The last bit shifted out is
	saved in the carry flag.
	Temp ← (COUNT)
	do while Temp ≠ 0
	C ← High order bit of (DEST)
	(DEST) ← (DEST) × 2
	Temp ← Temp – 1
	end_while

			PSW Flag Settings
		Z	N	C	V	VT	ST
		✓	✓	✓	✓	−	—

A-37

Microcontroller, 80C196NU, 8XC196NP specifications

The Intel 8XC196NP and 80C196NU microcontrollers are part of Intel's renowned 16-bit microcontroller series that gained popularity in the 1980s and 1990s for embedded systems applications. Designed for a variety of applications, these microcontrollers are characterized by their robust performance, versatility, and industry-standard architecture.

The 8XC196NP features an enhanced instruction set with over 100 instructions, allowing for efficient code execution. It operates at clock speeds up to 16 MHz, which contributes to improved performance in time-sensitive applications. The microcontroller is equipped with a 16-bit data bus, enabling more efficient data handling compared to its 8-bit predecessors, thus accommodating complex algorithms and large data sets.

In terms of memory architecture, the 8XC196NP supports an addressable memory space of up to 64 KB of program memory and 64 KB of data memory. This configuration provides sufficient space for large applications while ensuring fast data access. The microcontroller includes integrated features such as timers, serial I/O capabilities, and interrupt processing, which enhance its functionality for real-time applications and control mechanisms.

The 80C196NU, on the other hand, is designed for lower power operation, making it suitable for battery-powered devices. This microcontroller maintains similar features to the 8XC196NP while offering advancements that support low-power consumption. The 80C196NU can also function in a range of temperature environments, making it adaptable for industrial applications.

Both the 8XC196NP and 80C196NU support external memory interfacing, allowing designers to expand the system's capability by connecting additional ROM and RAM. This flexibility makes them appealing for developing complex systems, such as motor controls, industrial automation, and consumer electronics.

Another standout feature of these microcontrollers is their built-in debugging capabilities. Intel provided hardware and software tools that enabled developers to test and troubleshoot their applications effectively, reducing the development time and increasing reliability.

Overall, the Intel 8XC196NP and 80C196NU microcontrollers stand out for their dependability, versatility, and performance, contributing significantly to the evolution of embedded system design. Their legacy continues to influence modern microcontroller technology, ensuring their relevance in a wide array of applications today.

Intel 80C196NU, 8XC196NP, Microcontroller manual Wreg,#count

Models: Microcontroller 80C196NU 8XC196NP

Table A-6. Instruction Set (Continued)

Mnemonic

Operation

Instruction Format

PSW Flag Settings

PSW Flag Settings

Microcontroller, 80C196NU, 8XC196NP specifications