Individual Instruction Descriptions

4.14.26 Jcc

 

 

Conditional Jumps

 

 

 

 

Syntax

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

[label]

name

 

pma16 [, Rmod]

Clock, clk

Word, w

With RPT, clk

Class

 

 

 

 

 

 

 

 

 

 

 

Jcc

 

pma16 [, Rmod]

2

2

N/R

7b

 

 

 

 

 

 

 

 

 

 

 

If true

 

 

 

 

If Not true

 

 

 

 

 

 

 

 

 

 

 

 

[label]

JZ

 

pma16 [, Rmod]

[label]

JNZ

pma16 [, Rmod]

 

[label]

JS

 

pma16 [, Rmod]

[label]

JNS

pma16 [, Rmod]

 

[label]

JC

 

pma16 [, Rmod]

[label]

JC

pma16 [, Rmod]

 

[label]

JG

 

pma16 [, Rmod]

[label]

JNG

pma16 [, Rmod]

 

[label]

JE

 

pma16 [, Rmod]

[label]

JNE

pma16 [, Rmod]

 

[label]

JA

 

pma16 [, Rmod]

[label]

JNA

pma16 [, Rmod]

 

[label]

JB

 

pma16 [, Rmod]

[label]

JNB

pma16 [, Rmod]

 

[label]

JO

 

pma16 [, Rmod]

[label]

JNO

pma16 [, Rmod]

 

[label]

JRC

 

pma16 [, Rmod]

[label]

JRNC

pma16 [, Rmod]

 

[label]

JRE

 

pma16 [, Rmod]

[label]

JRNE

pma16 [, Rmod]

 

[label]

JL

 

pma16 [, Rmod]

[label]

JNL

pma16 [, Rmod]

 

[label]

JTF1

pma16 [, Rmod]

[label]

JNTF1

pma16 [, Rmod]

 

[label]

JTF2

pma16 [, Rmod]

[label]

JNTF2

pma16 [, Rmod]

 

[label]

JTAG

pma16 [, Rmod]

[label]

JNTAG

pma16 [, Rmod]

 

[label]

JIN1

 

pma16 [, Rmod]

[label]

JNIN1

pma16 [, Rmod]

 

[label]

JIN2

 

pma16 [, Rmod]

[label]

JNIN2

pma16 [, Rmod]

 

[label]

JXZ

 

pma16 [, Rmod]

[label]

JXNZ

pma16 [, Rmod]

 

[label]

JXS

 

pma16 [, Rmod]

[label]

JXNS

pma16 [, Rmod]

 

[label]

JXG

 

pma16 [, Rmod]

[label]

JXNG

pma16 [, Rmod]

 

[label]

JRA

 

pma16 [, Rmod]

[label]

JRNA

pma16 [, Rmod]

 

[label]

JRZP

pma16 [, Rmod]

[label]

JRNZP

pma16 [, Rmod]

 

[label]

JRLZP

pma16 [, Rmod]

[label]

JRNLZP

pma16 [, Rmod]

 

 

 

 

 

 

 

 

 

Rmod

Rx++

 

 

 

 

 

 

 

Rx±±

 

 

 

 

 

 

 

Rx++R5

 

 

 

 

 

 

 

 

 

 

 

Execution

IF (condition = true OR unconditional)

 

 

 

 

 

 

 

 

PC pma16

 

 

 

 

ELSE

NOP

PC PC + 2

[if post modification specified] IF (Rmod = Rx++)

Rx = Rx + 2

ELSE IF (Rmod = Rx±±) Rx = Rx ± 2

ELSE IF (Rmod = Rx++R5) Rx = Rx +R5

Flags Affected

RCF and RZF affected by post±modification of Rx.

Assembly Language Instructions

4-109

Page 201
Image 201
Texas Instruments MSP50C614 manual Jcc Conditional Jumps, Pc Pc +

MSP50C614 specifications

The Texas Instruments MSP50C614 is a microcontroller that belongs to the MSP430 family, renowned for its low power consumption and versatile functionality. Primarily designed for embedded applications, this microcontroller is favored in various industries, including consumer electronics, industrial automation, and healthcare devices.

One of the standout features of the MSP50C614 is its ultra-low power technology, which enables it to operate in various power modes. This makes it ideal for battery-powered applications, where energy efficiency is crucial. The MSP430 architecture allows for a flexible power management system, ensuring that energy is conserved while providing robust performance.

The MSP50C614 is equipped with a 16-bit RISC CPU that delivers high performance while maintaining low power usage. With a maximum clock frequency of 16 MHz, it can execute most instructions in a single cycle, resulting in swift operation and responsive performance. This microcontroller also comes with a generous flash memory capacity, allowing developers to store large amounts of code and data conveniently.

In terms of peripherals, the MSP50C614 is highly versatile. It features a range of digital and analog input/output options, including multiple timers, GPIO ports, and various communication interfaces like UART, SPI, and I2C. This extensive set of peripherals allows for seamless integration with other components and simplifies the design of complex systems.

The integrated 12-bit Analog-to-Digital Converter (ADC) stands out as a valuable characteristic of the MSP50C614. This feature enables the microcontroller to convert physical analog signals into digital data, making it particularly useful for sensing applications and real-time monitoring.

Another noteworthy technology employed in the MSP50C614 is its support for low-voltage operations. With a broad supply voltage range, this microcontroller can function efficiently in diverse environments and is suitable for low-power applications, enhancing its practicality.

Moreover, Texas Instruments provides software support in the form of Code Composer Studio and various libraries that make it easier for developers to program and utilize the MSP50C614 effectively.

In summary, the Texas Instruments MSP50C614 microcontroller is a powerful, low-power solution equipped with the features and technologies necessary for efficient operation in a wide array of applications. Its blend of performance, flexibility, and energy efficiency makes it a popular choice among engineers and designers looking to create innovative, sustainable designs in the rapidly evolving tech landscape.