To Next Page

To Previous Page

259

CHAPTER 5 DEVICES

5.6 File Register (R, ZR)

These device are provided for extending the data register.

(1) Specification methods

The following two methods are available.

• Block switching method (R)

• Serial number access method (ZR)

(a) Block switching method (R)

The file register points used are divided and specified in units of 32K points (R0 to R32767).

When multiple blocks are used, the desired block is specified with the block number by the RSET instruction.

(b) Serial number access method (ZR)

A file register exceeding 32K points in size can be specified using consecutive device numbers.

Multiple blocks of a file register can be used as a continuous file register.

12K points

Data register

12K points

Data register

Data register can be

extended.

File register

Block 0

Block 1

Block 2

R32767

R0 specification

for block 1

R0 specification

for block 2

... ... ...

ZR0

ZR32767

ZR32768

ZR65535

ZR65536

(Block 0)

(Block 1)

(Block 2)

... ... ...

Mitsubishi L02CPU User Manual

Questions and Answers: