MC68HC11A1MFN2 Просмотр технического описания (PDF) - Motorola => Freescale

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MC68HC11A1MFN2

HCMOS Single-Chip Microcontroller

Motorola => Freescale 

C.4.1 MMDS11Features

• Real-time, non-intrusive, in-circuit emulation at the MCU's operating frequency

• Real-time bus state analyzer

— 8K x 64 real-time trace buffer

— Display of real-time trace data as raw data, disassembled instructions, raw

data and disassembled instructions, or assembly-language source code

— Four hardware triggers for commencing trace and to provide breakpoints

— Nine triggering modes

— As many as 8190 pre- or post-trigger points for trace data

— 16 general-purpose logic clips, four of which can be used to trigger the bus

state analyzer sequencer

— 16-bit time tag, or an optional 24-bit time tag that reduces the logic clips traced

from sixteen to eight

• Four data breakpoints (hardware breakpoints)

• Hardware instruction breakpoints over either the 64 Kbyte M68HC11 memory

map, or over a 1MB bank-switched memory map

• Thirty-two real-time variables, nine of which can be displayed in the variables win-

dow. These variables may be read or written while the MCU is running

• Thirty-two bytes of real-time memory can be displayed in the memory window.

This memory may be read or written while the MCU is running

• 64 Kbytes of fast emulation memory (SRAM)

• Target input/output connections are current limited

• Six software-selectable oscillator clock sources: five internally generated fre-

quencies and an external frequency via a bus analyzer logic clip

• Command and response logging to MS DOS disk files to save session history

• SCRIPT command for automatic execution of a sequence of MMDS11 com-

mands

• Assembly or C-language source-level debugging with global variable viewing

• Host/emulator communications speeds as high as 57600 baud for quick program

loading

• Extensive on-line MCU information via the CHIPINFO command. View memory-

map, vectors, register, and pin-out information pertaining to the device being em-

ulated

• Host software supports

— An editor

— An assembler, user interface, and source-level debugging capability

— Bus state analysis

— IBM mouse

C

MC68HC11A8

TECHNICAL DATA

DEVELOPMENT SUPPORT

MOTOROLA

C-3

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