Altera MAX 10 Embedded Multipliers Manuel d'utilisateur télécharger pdf (Page 4)

Device Embedded

Multipliers

9 x 9 Multipliers

(1)

18 x 18 Multipliers

(1)

10M25 55 110 55

10M40 125 250 125

10M50 144 288 144

You can implement soft multipliers by using the M9K memory blocks as look-up tables (LUTs). The

LUTs contain partial results from multiplying input data with coefficients implementing variable depth

and width high-performance soft multipliers for low-cost, high-volume DSP applications. The availability

of soft multipliers increases the number of available multipliers in the device.

Table 1-2: Number of Multipliers in the MAX 10 Devices

Device Embedded

Multipliers

Soft Multipliers

(16 x 16)

(2)

Total Multipliers

(3)

10M02 16 12 28

10M04 20 21 41

10M08 24 42 66

10M16 45 61 106

10M25 55 75 130

10M40 125 140 265

10M50 144 182 326

(1)

These columns show the number of 9 x 9 or 18 x 18 multipliers for each device. The total number of

multipliers for each device is not the sum of all the multipliers.

(2)

Soft multipliers are implemented in sum of multiplication mode. M9K memory blocks are configured with

18-bit data widths to support 16-bit coefficients. The sum of the coefficients requires 18-bits of resolution to

account for overflow.

(3)

The total number of multipliers may vary, depending on the multiplier mode you use.

1-2

Embedded Multiplier Block Overview

UG-M10DSP

2014.09.22

Altera Corporation

Embedded Multiplier Block Overview

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Altera MAX 10 Embedded Multipliers Manuel d'utilisateur Page 4

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