MFC2000 datasheet(406/426 Pages) ETC

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MFC2000 Multifunctional Peripheral Controller 2000

Hardware Description

24-20

Conexant

100723A

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

ARM Bus C2A Block

Size

(Abc2aBlkSiz)

$01FF829B

ARM Bus

Output

Enable

ARM Bus

Output Block

Size [14]

ARM Bus

Output Block

Size [13]

ARM Bus

Output Block

Size [12]

ARM Bus

Output Block

Size [11]

ARM Bus

Output Block

Size [10]

ARM Bus

Output Block

Size [9]

ARM Bus

Output Block

Size [8]

Rst. Value

00h

Read Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

ARM Bus C2A Block

Size (Abc2aBlkSiz)

$01FF829A

ARM Bus

Output Block

Size [7]

ARM Bus

Output Block

Size [6]

ARM Bus

Output Block

Size [5]

ARM Bus

Output Block

Size [4]

ARM Bus

Output Block

Size [3]

ARM Bus

Output Block

Size [2]

ARM Bus

Output Block

Size [1]

ARM Bus

Output Block

Size [0]

Rst. Value

00h

Read Value

00h

Bit 15

ARM Bus Interface Output (C2A) Data DMA Enable (1 = enabled)

Bit 14-0

ARM Bus Interface Output Data Block Size

Note: Writes to bits 14-0 are ignored when the channel is enabled. To write a new block size,

the channel must first be disabled by writing a “0” to bit 15 of this register.

Address:

Bit 15

Bit 14

Bit 13

Bit 12

Bit 11

Bit 10

Bit 9

Bit 8

Default:

ARM Bus A2C

Throttle

(Aba2cThrottle)

$01FF82A5

(Not Used)

ARM Bus

Input

Throttle[10]

ARM Bus

Input

Throttle[9]

ARM Bus

Input

Throttle[8]

Rst. Value

xxxxx000b

Read Value

00h

Address:

Bit 7

Bit 6

Bit 5

Bit 4

Bit 3

Bit 2

Bit 1

Bit 0

Default:

ARM Bus A2C

Throttle

(Aba2cThrottle)

$01FF82A4

ARM Bus

Input

Throttle[7]

ARM Bus

Input

Throttle[6]

ARM Bus

Input

Throttle[5]

ARM Bus

Input

Throttle[4]

ARM Bus

Input

Throttle[3]

ARM Bus

Input

Throttle[2]

ARM Bus

Input

Throttle[1]

ARM Bus

Input

Throttle[0]

Rst Value

00h

Read Value

00h

Bit 15-11

Not used

Bit 10-0

ARM Bus Interface Input (A2C) DMA Throttle value

A value of zero indicates no throttle. A value of 3FFh indicates 2047

Countach Bus Subsystem clocks (25 MHz) between successive DMA

acknowledges.

MFC2000 Datasheet(PDF) 406 Page - List of Unclassifed Manufacturers

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