7220 datasheet(42/303 Pages) RENESAS

tên linh kiện	7220

Giải thích chi tiết về linh kiện	8-BIT SINGLE-CHIP MICROCOMPUTER

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2-15

7220 Group User’s Manual

2.3 Memory assignment

FUNCTIONAL DESCRIPTION

Fig. 2.3.5 Memory map of 2 page register (only M37221M8-XXXSP and M37221MA-XXXSP)

21716

21816

21916

21A16

21B16

RCR1

RCR0

Address

ROM correction address 1 (high-order)

Bit allocation

State immediately after reset

s2 Page Register Area (addresses 21716 to 21B16)

ROM correction address 1 (low-order)

ROM correction address 2 (high-order)

ROM correction address 2 (low-order)

ROM correction enable register (RCR)

: Fix this bit to “0”

(do not write “1”)

Bit allocation >

Function bit

: No function bit

: Fix this bit to “1”

(do not write “0”)

Name

ADL20

ADL21

ADL22

ADL23

ADL24

ADL25

ADL26

ADL27

ADH20

ADH21

ADH22

ADH23

ADH24

ADH25

ADH26

ADH27

ADL10

ADL11

ADL12

ADL13

ADL14

ADL15

ADL16

ADL17

ADH10

ADH11

ADH12

ADH13

ADH14

ADH15

ADH16

ADH17

: “0” immediately after reset

State immediately after reset >

: “1” immediately after reset

: Indeterminate immediately

after reset

0016

Note: Only M37221M8-XXXSP and M37221MA-XXXSP have this area.

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