PD17012_15 Datasheet, PDF(59/320 Page) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

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PD17012_15 Datasheet, PDF (59/320 Pages) Renesas Technology Corp – 4-BIT SINGLE-CHIP MICROCONTROLLERS WITH DIGITAL TUNING SYSTEM HARDWARE

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ÂµPD17012, 17P012

Table 7-2. Modification of Data Memory Address and Modification of Indirect Transfer

Address by Index Register and Data Memory Row Address Pointer

IXE MPE General Register Address Specified by r Data Memory Address Specified by m Indirect Transfer Address Specified by @r

Bank

Row

Column

Bank

Row

Column

Bank

Row

Column

Address Address

Address Address

Address Address

b3 b2 b1 b0 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b2 b1 b0 b3 b2 b1 b0 b3 b2 b1 b0 b2 b1 b0 b3 b2 b1 b0

00

RP

r

BANK

m

BANK

mR

(r)

01

ditto

ditto

MP

(r)

10

ditto

11

ditto

BANK

m

Logical

OR

IX

ditto

BANK

mR

Logical

IXH, IXM

OR

(r)

MP

(r)

BANK:

IX:

IXE:

IXH:

IXM:

IXL:

m:

mR:

mC:

MP:

MPE:

r:

RP:

(x):

x:

Bank register

Index register

Index enable flag

Bits 10 through 8 of index register

Bits 7 through 4 of index register

Bits 3 through 0 of index register

Data memory address indicated by mR, mC

Data memory row address (higher)

Data memory column address (lower)

Data memory row address pointer

Memory pointer enable flag

General register column address

General register pointer

Contents addressed by x

Direct address such as m and r

Data Sheet U10101EJ4V0DS

57

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