M30622ECTFP datasheet(25/184 Pages) MITSUBISHI

25 / 184 page

Tentative Specifications REV.A

Mitsubishi microcomputers

M16C / 62T Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Specifications in this manual are tentative and subject to change.

Under

development

Memory Space Expansion Functions

(3) Expansion mode 2

In expansion mode 2, the data bank register (0000B16) goes effective. Figure 1.8.4 shows the data bank

Figure 1.8.4. Data bank register

Data bank register

Symbol

Address

When reset

DBR

000B16

0016

Bit name

Description

Bit symbol

OFS

Offset bit

0: Not offset

1: Offset

BSR

Bank selection bits

0 0 0: Bank 0

0 0 1: Bank 1

0 1 0: Bank 2

0 1 1: Bank 3

1 0 0: Bank 4

1 0 1: Bank 5

1 1 0: Bank 6

1 1 1: Bank 7

Nothing is assigned.

In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.

Nothing is assigned.

In an attempt to write to these bits, write “0”. The value, if read, turns out to be “0”.

b5 b4 b3

Microprocessor

mode

SFR area

Internal RAM area

External area

Internal area reserved

0000016

0040016

XXXXX16

YYYYY16

FFFFF16

D000016

0800016

Memory

expansion mode

SFR are

Internal RAM area

External area

Internal ROM area

Internal area reserved

CS3(16K bytes)

CS2(128K bytes)

CS1 (96K bytes)

2800016

4000016

0400016

Expansion mode 2 (memory space = 4M bytes for PM15 = 1, PM14 = 1)

CS0

Addresses from 4000016 through BFFFF16

Bank 7 in fetching a program

A bank selected by use of the bank selection

bits in accessing data

Addresses from C000016 through FFFFF16

Bank 7 invariably

Bank number is output to CS3 to CS1

Memory expansion mode:

512K bytes x 7banks +

256K bytes

Microprocessor mode:

512K bytes x 8banks

Type No.

XXXXX16 YYYYY16

M30623M4T-XXXGP

M30622M8T/M8V-XXXFP

M30623M8T/M8V-XXXGP

M30622MCT/MCV-XXXFP

M30623MCT/MCV-XXXGP

00FFF16

F800016

013FF16

F000016

017FF16

E000016

Note 1. M30623(80-pin package) is not provided with the

output pin for the chip select signal.

Note 2. The M16C/62T group is not guaranteed to operate

in memory expansion and microprocessor modes.

Note 3. The memory maps in single-chip mode are omitted.

Figure 1.8.5. Memory location and chip select area in expansion mode 2

M30622ECTFP Folha de dados(PDF) 25 Page - Mitsubishi Electric Semiconductor

M30622ECTFP Folha de dados(HTML) 25 Page - Mitsubishi Electric Semiconductor

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 ...More

Folha de dados Download

Ligação URL