Essi $FFAC $FFFFAC, $Ffab $Ffffab, TSMA1, TSMB1

Internal I/O Memory Map

Table B-2.Internal I/O Memory Map (X Data Memory) (Continued)

Peripheral	16-Bit Address	24-Bit Address	Register Name


ESSI 1	$FFAC	$FFFFAC	ESSI 1 Transmit Data Register 0 (TX10)

	$FFAB	$FFFFAB	ESSI 1 Transmit Data Register 1 (TX11)

	$FFAA	$FFFFAA	ESSI 1 Transmit Data Register 2 (TX12)

	$FFA9	$FFFFA9	ESSI 1 Time Slot Register (TSR1)

	$FFA8	$FFFFA8	ESSI 1 Receive Data Register (RX1)

	$FFA7	$FFFFA7	ESSI 1 Status Register (SSISR1)

	$FFA6	$FFFFA6	ESSI 1 Control Register B (CRB1)

	$FFA5	$FFFFA5	ESSI 1 Control Register A (CRA1)

	$FFA4	$FFFFA4	ESSI 1 Transmit Slot Mask Register A
			(TSMA1)

	$FFA3	$FFFFA3	ESSI 1 Transmit Slot Mask Register B
			(TSMB1)

	$FFA2	$FFFFA2	ESSI 1 Receive Slot Mask Register A (RSMA1)

	$FFA1	$FFFFA1	ESSI 1 Receive Slot Mask Register B (RSMB1)

	$FFA0	$FFFFA0	Reserved

PORT E	$FF9F	$FFFF9F	Port E Control Register (PCRE)

	$FF9E	$FFFF9E	Port E Direction Register (PRRE)

	$FF9D	$FFFF9D	Port E GPIO Data Register (PDRE)

SCI	$FF9C	$FFFF9C	SCI Control Register (SCR)

	$FF9B	$FFFF9B	SCI Clock Control Register (SCCR)

	$FF9A	$FFFF9A	SCI Receive Data Register - High (SRXH)

	$FF99	$FFFF99	SCI Receive Data Register - Middle (SRXM)

	$FF98	$FFFF98	SCI Recieve Data Register - Low (SRXL)

	$FF97	$FFFF97	SCI Transmit Data Register - High (STXH)

	$FF96	$FFFF96	SCI Transmit Data Register - Middle (STXM)

	$FF95	$FFFF95	SCI Transmit Data Register - Low (STXL)

	$FF94	$FFFF94	SCI Transmit Address Register (STXA)

	$FF93	$FFFF93	SCI Status Register (SSR)

Programming Reference

B-7

DSP56301 specifications

The Motorola DSP56301 is a highly efficient digital signal processor, specifically engineered for real-time audio and speech processing applications. This DSP is part of Motorola's renowned DSP56300 family, which is recognized for its innovative features and outstanding performance in the realm of digital signal processing.

One of the main features of the DSP56301 is its ability to handle complex computations at high speeds. With a maximum clock frequency of 66 MHz, it delivers fast performance, enabling it to process audio signals in real time. The chip is built on a 24-bit architecture, which allows for high-resolution audio processing. This is particularly beneficial in applications such as telecommunications, consumer audio devices, and professional audio equipment, where precision is paramount.

The DSP56301 boasts a comprehensive instruction set that includes efficient mathematical operations, which are essential for digital filters and audio effects processing. One of the key innovations of this device is its dual data path architecture, which permits simultaneous processing of multiple data streams. This feature significantly enhances the device's throughput and responsiveness, making it suitable for demanding applications such as voice recognition and synthesis.

In terms of memory regions, the DSP56301 includes several on-chip memory categories, such as program memory, data memory, and a specialized memory for coefficients. The architecture's support for external memory expansion further increases its versatility, allowing designers to tailor systems to their specific requirements.

The DSP56301 implements advanced features such as a powerful on-chip hardware multiplier and accumulator, simplifying complex mathematical tasks and accelerating the execution of algorithms. Its flexible interrupt system enhances its capability to respond to time-sensitive operations, while the integrated serial ports facilitate efficient data communication with external devices.

Power consumption is also a vital characteristic of the DSP56301. It is designed with energy efficiency in mind, allowing for extended operation in battery-powered devices. The chip’s low power requirements are particularly advantageous in portable audio devices and other applications where energy conservation is crucial.

In conclusion, the Motorola DSP56301 is an exceptional digital signal processor that combines high processing power, flexibility, and efficiency. Its main features, advanced technologies, and robust architecture make it a top choice for developers seeking to create sophisticated audio and signal processing systems. With its enduring legacy in the industry, the DSP56301 continues to be relevant in a variety of modern applications, ensuring it remains a valuable tool for engineers and designers.

Table B-2.Internal I/O Memory Map (X Data Memory) (Continued)

Peripheral

ESSI 1

$FFAC

$FFFFAC

$FFAB

$FFFFAB

$FFAA

$FFFFAA

$FFA9

$FFFFA9

$FFA8

$FFFFA8

$FFA7

$FFFFA7

$FFA6

$FFFFA6

$FFA5

$FFFFA5

$FFA4

$FFFFA4

(TSMA1)

$FFA3

$FFFFA3

(TSMB1)

$FFA2

$FFFFA2

$FFA1

$FFFFA1

$FFA0

$FFFFA0

PORT E

$FF9F

$FFFF9F

$FF9E

$FFFF9E

$FFFF9D

SCI

$FFFF9C

$FF9B

$FFFF9B

$FF9A

$FFFF9A

$FFFF99

$FFFF98

$FFFF97

$FFFF96

$FFFF95

$FFFF94

$FFFF93

Programming Reference

DSP56301 specifications