M68040 datasheet(10/442 Pages) FREESCALE

Electronic Components Datasheet Search

M68040 Datasheet(PDF) 10 Page - Freescale Semiconductor, Inc

Part #	M68040

Description	Freescale Semiconductor, Inc.

Download	442 Pages

Scroll/Zoom	100%

Manufacturer	FREESCALE [Freescale Semiconductor, Inc]

Direct Link	http://www.freescale.com

Logo

M68040 Datasheet(HTML) 10 Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 6Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 7Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 8Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 9Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 10Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 11Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 12Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 13Page - Freescale Semiconductor, Inc

M68040 Datasheet HTML 14Page - Freescale Semiconductor, Inc

zoom in

zoom out

10 / 442 page

xii

M68040 USER’S MANUAL

MOTOROLA

TABLE OF CONTENTS (Continued)

Paragraph

Page

Number

Title

Number

8.4.6.5

Write-Back Address and Write-Back Data ..................................... 8-26

8.4.6.6

Push Data ...................................................................................... 8-27

8.4.6.7

Access Error Stack Frame Return From Exception ....................... 8-27

Section 9

Floating-Point Unit (MC68040 Only)

9.1

Floating-Point Unit Pipeline ...................................................................9-1

9.2

Floating-Point User Programming Model .............................................. 9-2

9.2.1

Floating-Point Data Registers (FP7–FP0) ......................................... 9-2

9.2.2

Floating-Point Control Register (FPCR) ............................................ 9-3

9.2.2.1

Exception Enable Byte ...................................................................9-3

9.2.2.2

Mode Control Byte ......................................................................... 9-3

9.2.3

Floating-Point Status Register (FPSR) ..............................................9-4

9.2.3.1

Floating-Point Condition Code Byte............................................... 9-4

9.2.3.2

Quotient Byte ................................................................................. 9-5

9.2.3.3

Exception Status Byte.................................................................... 9-5

9.2.3.4

Accrued Exception (AEXC) Byte. .................................................. 9-5

9.2.4

Floating-Point Instruction Address Register (FPIAR) ........................ 9-6

9.3

Floating-Point Data Formats and Data Types....................................... 9-7

9.4

Computational Accuracy ....................................................................... 9-11

9.4.1

Intermediate Result ........................................................................... 9-12

9.4.2

Rounding the Result .......................................................................... 9-13

9.5

Postprocessing Operation..................................................................... 9-15

9.5.1

Underflow, Round, Overflow ............................................................. 9-16

9.5.2

Conditional Testing ............................................................................9-16

9.6

Floating-Point Exceptions ..................................................................... 9-20

9.6.1

Unimplemented Floating-Point Instructions....................................... 9-20

9.6.2

Unsupported Floating-Point Data Types ...........................................9-22

9.7

Floating-Point Arithmetic Exceptions ....................................................9-24

9.7.1

Branch/Set on Unordered (BSUN) ....................................................9-25

9.7.1.1

Maskable Exception Conditions..................................................... 9-26

9.7.1.2

Nonmaskable Exception Conditions .............................................. 9-27

9.7.2

Signaling Not-a-Number (SNAN)....................................................... 9-27

9.7.2.1

Maskable Exception Conditions..................................................... 9-27

9.7.2.2

Nonmaskable Exception Conditions .............................................. 9-27

9.7.3

Operand Error ................................................................................... 9-28

9.7.3.1

Maskable Exception Conditions..................................................... 9-29

9.7.3.2

Nonmaskable Exception Conditions .............................................. 9-30

9.7.4

Overflow ............................................................................................ 9-31

9.7.4.1

Maskable Exception Conditions..................................................... 9-31

9.7.4.2

Nonmaskable Exception Conditions .............................................. 9-31

Freescale Semiconductor, Inc.

For More Information On This Product,

Go to: www.freescale.com

Similar Part No. - M68040

Manufacturer	Part #	Datasheet	Description
Motorola, Inc	M68040	3Mb / 442P	M68000-compatible, high-performance, 32-bit microprocessors

More results

Similar Description - M68040

Manufacturer	Part #	Datasheet	Description
Freescale Semiconductor...	MC68302FC16C	261Kb / 13P	Freescale Semiconductor, Inc.
Freescale Semiconductor...	MC68HC705J1ACPE	1Mb / 162P	Freescale Semiconductor, Inc.
Motorola, Inc	MPC7450EC	1Mb / 52P	Freescale Semiconductor, Inc.
	AN2264	286Kb / 20P	Freescale Semiconductor, Inc.
	68HC908JB8FS	226Kb / 2P	Freescale Semiconductor, Inc.
Freescale Semiconductor...	MC711K4CFNE3	2Mb / 290P	Freescale Semiconductor, Inc.
Motorola, Inc	MC14600	250Kb / 8P	Freescale Semiconductor, Inc.
Motorola, Inc	AN1812	465Kb / 16P	Freescale Semiconductor, Inc.
Freescale Semiconductor...	MC68HC16Z1CAG25	5Mb / 500P	Freescale Semiconductor, Inc.
Freescale Semiconductor...	MC68MH360AI25L	4Mb / 158P	Freescale Semiconductor, Inc.
Motorola, Inc	MC68040RC25A	3Mb / 442P	Freescale Semiconductor, Inc.

More results

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

Privacy Policy
ALLDATASHEET.NET

ALLDATASHEET.NET

Does ALLDATASHEET help your business so far? [ DONATE ]
About Alldatasheet \| Advertisement \| Contact us \| Privacy Policy \| Link Exchange \| Manufacturer List All Rights Reserved©Alldatasheet.com
Mirror Sites English : Alldatasheet.com \| English : Alldatasheet.net \| Chinese : Alldatasheetcn.com \| German : Alldatasheetde.com \| Japanese : Alldatasheet.jp Russian : Alldatasheetru.com \| Korean : Alldatasheet.co.kr \| Spanish : Alldatasheet.es \| French : Alldatasheet.fr \| Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com \| Polish : Alldatasheet.pl \| Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in \| Mexican : Alldatasheet.com.mx \| British : Alldatasheet.co.uk \| New Zealand : Alldatasheet.co.nz
Family Site : ic2ic.com \| icmetro.com

Does ALLDATASHEET help your business so far? [ DONATE ]

Family Site : ic2ic.com | icmetro.com