M16CSLASH62 datasheet(50/621 Pages) RENESAS

50 / 621 page

Mitsubishi microcomputers

M16C / 62 Group

SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER

Bus Control

Function

Bit symbol

Bit name

Chip select control register

Symbol

Address

When reset

CSR

000816

0116

CS1

CS0

CS3

CS2

CS0 output enable bit

CS1 output enable bit

CS2 output enable bit

CS3 output enable bit

CS1W

CS0W

CS3W

CS2W

CS0 wait bit

CS1 wait bit

CS2 wait bit

CS3 wait bit

0 : Chip select output disabled

(Normal port pin)

1 : Chip select output enabled

0 : Wait state inserted

1 : No wait state

Figure 1.12.1. Chip select control register

Processor mode

Memory space

expansion mode

Memory expansion mode

Normal mode

(PM15,14=0,0)

Chip select signal

CS0

CS1

CS2

CS3

3000016 to CFFFF16

(640K bytes)

2800016 to

2FFFF16

(32K bytes)

0800016 to

27FFF16

(128K bytes)

When PM13=0

Microprocessor mode

3000016 to BFFFF16

(576K bytes)

3000016 to FFFFF16

(816K bytes)

0400016 to FFFFF16

(1008K bytes)

Memory expansion mode

Expansion

mode 1

(PM15,14=1,0)

Microprocessor mode

0400016 to CFFFF16

(816K bytes)

0600016 to BFFFF16

(744K bytes)

Memory expansion mode

Expansion

mode 2

(PM15,14=1,1)

(512K bytes X 7

+256K bytes)

2800016 to

3FFFF16

(96K bytes)

Microprocessor mode

4000016 to FFFFF16

(512K bytes X 8)

When PM13=0

When PM13=1

When PM13=0

When PM13=1

4000016 to BFFFF16

When PM13=1

0400016 to

07FFF16

(16K bytes)

0600016 to

07FFF16

(8K bytes)

0600016 to FFFFF16

(1000K bytes)

When PM13=0

When PM13=1

Table 1.12.2. External areas specified by the chip select signals

(A product having an internal RAM of more than 15K bytes and a ROM of more than 192K bytes)

M16C/62 Datasheet(PDF) 50 Page - Renesas Technology Corp

M16C/62 Datasheet(HTML) 50 Page - Renesas Technology Corp

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

Datasheet Download

Link URL