D17133CS datasheet(68/289 Pages) NEC

номер детали	D17133CS

подробное описание детали	4-BIT SINGLE-CHIP MICROCONTROLLER

PDF	289 Pages

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производитель	NEC [NEC]

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CHAPTER 7

SYSTEM REGISTER (SYSREG)

Example 2. General register is in row address 0

R00B

MEM

0.0BH

M034

MEM

0.34H

MOV

MPL, #0110B

; MP

← 6

MOV

MPH, #1000B

; MPE

← 1

MOV

R00B, #0EH

; R00B

← 0EH

MOV

M034, @R00B

; Indirect transfer of data in the register

As shown in Figure 7-10, when the above instructions are executed, the data stored in address

6EH is transferred to data memory location M034.

Figure 7-10. Example of Operation When MPE=1 and IXE=0

System register

Example 1. MOV @R005, M034

Column address specified

as transfer destination

Column address specified

as transfer source

Column address

123456789

General

Memory

pointer

=00110B

Example 2. MOV M034, @R00B

Data memory address M

General register address R

Indirect transfer address @R

0000

011

000

110

0100

0101

1000

Column

Address

Row

Address

Bank

Contents

of R

Addresses in Example 1

MOV @R005, M034

Data memory address M

General register address R

Indirect transfer address @R

0000

011

000

110

0100

1011

1110

Column

Address

Row

Address

Bank

Contents

of R

Addresses in Example 2

MOV, M034 @R00B

Contents of MP

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