AT75C datasheet(3/171 Pages) ATMEL

3 / 171 page

AT75C DSP Subsystem

1368C–INTAP–08/02

Processing Unit

A block diagram of the OakDSPCore architecture is shown in Figure 2.

Figure 2. AT75C OakDSPCore Block Diagram

The major components of the OakDSPCore are:

•

Computation and Bit-manipulation Unit (CBU)

Accumulators (A0, A1, B0, B1)

Saturation Logic

Arithmetic and Logical Unit (ALU)

Bit-field Operations (BFO)

Shift Value Register (SV)

Barrel Shifter

Exponent Logic (EXP)

Multiplier

Input Registers (X, Y)

Output Register (P)

Output Shifter

•

Data Address Arithmetic Unit (DAAU)

DAAU Registers (R0...R5)

DAAU Configuration Registers (CFGI, CFGJ)

Software Stack Pointer (SP)

Base Register (RB)

Alternative bank of registers (R0B, R1B, R4B, CFGIB)

Minimal/Maximal Pointer Register (MIXP)

•

Data buses (XDB, YDB, PDB)

•

Address buses (XAB, YAB, PAB)

On-core

Y-RAM

Data Address

Arithmetic Unit

On-core

X-RAM

User-

defined I/O

Computation and

Bit-manipulation Unit

Control and

Status Registers

Program Control

Unit

YAB

XAB

YDB

XDB

PDB

PAB

On-core

Program RAM

AT75C Datasheet(PDF) 3 Page - ATMEL Corporation

AT75C Datasheet(HTML) 3 Page - ATMEL Corporation

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