C515C datasheet(21/69 Pages) SIEMENS

21 / 69 page

Semiconductor Group

1997-07-01

C515C

Enhanced Hooks Emulation Concept

The Enhanced Hooks Emulation Concept of the C500 microcontroller family is a new, innovative

way to control the execution of C500 MCUs and to gain extensive information on the internal

operation of the controllers. Emulation of on-chip ROM based programs is possible, too.

Each production chip has built-in logic for the supprt of the Enhanced Hooks Emulation Concept.

Therefore, no costly bond-out chips are necessary for emulation. This also ensure that emulation

and production chips are identical.

The Enhanced Hooks TechnologyTM, which requires embedded logic in the C500 allows the C500

together with an EH-IC to function similar to a bond-out chip. This simplifies the design and reduces

costs of an ICE-system. ICE-systems using an EH-IC and a compatible C500 are able to emulate

all operating modes of the different versions of the C500 microcontrollers. This includes emulation

of ROM, ROM with code rollover and ROMless modes of operation. It is also able to operate in

single step mode and to read the SFRs after a break.

Figure 9

Basic C500 MCU Enhanced Hooks Concept Configuration

Port 0, port 2 and some of the control lines of the C500 based MCU are used by Enhanced Hooks

Emulation Concept to control the operation of the device during emulation and to transfer

informations about the programm execution and data transfer between the external emulation

hardware (ICE-system) and the C500 MCU.

MCS03280

SYSCON

PCON

TCON

RESET

PSEN

ALE

Port

I/O Ports

Optional

Port 3

Port 1

C500

MCU

Interface Circuit

Enhanced Hooks

RPort 0

RPort 2

RTCON

RPCON

RSYSCON

TEA

TALE TPSEN

EH-IC

Target System Interface

ICE-System Interface

to Emulation Hardware

C515C Datasheet(PDF) 21 Page - Siemens Semiconductor Group

C515C Datasheet(HTML) 21 Page - Siemens Semiconductor Group

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