WARP20 datasheet(12/28 Pages) STMICROELECTRONICS

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M emb er ship

Functions

related to

INPUT 1

M emb er ship

Functions

related to

INPUT 2

M emb er ship

Functions

related to

INPUT 3

M emb er ship

Functions

related to

INPUT 4

M Fs relate d

to INPUT8

M Fs relate d

to INPUT7

M Fs relate d

to INPUT6

M Fs relate d

to INPUT5

M Fs relate d

to INPUT4

M Fs relate d

to INPUT3

M Fs relate d

to INPUT2

M Fs relate d

to INPUT1

Figure 12. Antecedent Memory Spaces.

25 6 Microco de

Cons e que nt M Fs

rela te d to RULE 256

Mic roco de

Cons e que nt M Fs

rela te d to RULE 1

Mic roco de

Cons e que nt M Fs

rela te d to RULE 2

Numbe r of Words to lo ad from the ex ternal

Me mory

A/D Sta rt Conve r sion Pulse width

Hands haking signal s polarity

Num b e r of Inputs -1

Num be r of Outputs - 1

Antece dent Me mory Configuration

On-Line phase Ma ste r/Slav e

Figure 13. Program/Consequent Memory and Register Bench.

MEMORY

There are three memories in W.A.R.P.2.0, the

Antecedent Memory (AM), The Program/Conse-

quent Memory (PCM) and the Register Bench

(RB).

The AM is divided in 4 spaces, each having a

maximum of 64 bytes. It is also possible to divide

the AM in 8 parts, each having a maximum of 32

bytes.

It is possible to configure the AM in the following

modes (see fig. 12):

a) up to 4 inputs, each with 16 Antecedent MFs

(MAX);

b) up to 8 inputs, each with 8 Antecedent MFs

(MAX);

Each word (4 byte) of the AM contains the data of

a single MF related to an input. If W.A.R.P.2.0 has

been configured to accept up to 4 inputs it is

possible to have up to 16 MFs for each input. If

W.A.R.P.2.0 has been configured to accept up to 8

inputs it is possible to have up to 8 MFs for each

input. Each MF of the AM contains 3 (or 2) bit

indicating to which input variable the MF is corre-

lated.

The PCM is composed by 256 words (see fig. 13).

Each row (word) is related to a single rule and

contains 36 bit of microcode and 8 bit indicating the

consequent MF (crisp) related to this rule.

The RB contains data for the configuration of the

processor that can be set by software.

It is possible to fix:

the number of inputs, the number of outputs, the

address of the last word to load from the external

memory, the number of MF per input, the width of

the start A/D conversion pulse, the handshaking

signals polarity and the functioning mode of the

processor (Master/Slave).

12/28

W.A.R.P.2.0

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