Motorola M68CPU32BUG Manuel d'utilisateur télécharger pdf (Page 52)

FUNCTIONAL DESCRIPTION

M68332BCC/D 4-2 MOTOROLA

REV 1

TIMER CHANNELS

TERMINAL/

HOST

COMPUTER

ADDRESS AND CONTROL LINES

DATA AND CONTROL LINES

INTERRUPT SIGNALS

BACKGROUND MODE

RS-232C

INTERFACE

MCU

64K x 8

EPROM

64K x 8

EPROM

32K x 8

RAM

32K x 8

RAM

Figure 4-1. BCC Block Diagram

4.2.1 MCU

The resident MC68332 Microcontroller Unit (MCU) of the BCC provides resources for

designing, debugging, and evaluating MC68332 MCU based target systems and simplifies user

evaluation of prototype hardware/software products.

The MCU device is a 32-bit integrated microcontroller, combining high-performance data

manipulation capabilities with powerful peripheral subsystems. The MCU includes:

• 32-bit central processor unit (CPU32)

• Time processor unit (TPU)

• Queued serial module (QSM)

• Random access memory (RAM)

• External bus interface

• Chip selects

• System clock

• Test module

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Motorola M68CPU32BUG Manuel d'utilisateur Page 52