D950-CORE datasheet(84/89 Pages) STMICROELECTRONICS

Part #	D950-CORE

Description	16-Bit Fixed Point Digital Signal Processor DSP Core

PDF	89 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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D950-Core

The Emulation resources (see Figure 7.7) include:

•

Four Breakpoint registers (BP0, BP1, BP2, BP3) which can be affected by

Program or Data memory.

•

Breakpoint counter (BPC).

•

Program Counter Trace Buffer (PCB) able to store the address of the 6 last

executed instructions.

•

Three control registers for Breakpoint condition programming.

•

Control logic for instruction execution through the PC-board emulator control.

Figure 7.7

D950-Core Emulation Block Diagram

The emulation and TAP controller interfaces (see Table 2.7 and Table 2.8) include pins of

different types:

•

Scan control (TDI, TDO, TCK).

•

TAP instructions

•

TAP controller states (UPDATE).

•

Emulation control (ERQ, IDLE, SNAP, HALTACK, AIEBP, AXEBP, AYEBP).

BP registers

Comparators

XA / YA

XD / YD

Control

Registers

Control

Logic

PC trace

ERQ, IDLE, SNAP

RD/WR

PCU

TAP

D950-CORE Datasheet(PDF) 84 Page - STMicroelectronics