Motorola MC68340 ユーザーズマニュアル

MOTOROLA

2- 1

This section contains brief descriptions of the MC68340 input and output signals in their
functional groups as shown in Figure 2-1.

 

CPU32

CORE

TWO-CHANNEL

SERIAL

I/O

TWO-CHANNEL 

DMA

CONTROLLER

TIMER

MODULE

IMB

RxDB

RxDA

TxDB

TxDA

CTSB

CTSA

SCLK

X2

X1

BKPT/DSCLK

FREEZE

IPIPE/DSO

IFETCH/DSI

DREQ2

DREQ1

DACK2

DACK1

DONE2

DONE1

TGATE1

TGATE2

TIN1

TIN2

TOUT1

TOUT2

PORT A

A31/PORT A7/IACK7

A30/PORT A6/IACK6

A29/PORT A5/IACK5

A28/PORT A4/IACK4
A27/PORT A3/IACK3

A26/PORT A2/IACK2
A25/PORT A1/IACK1

A24/PORT A0

PORT B

IRQ7/PORT B7
IRQ6/PORT B6
IRQ5/PORT B5
IRQ3/PORT B3

CS3/IRQ4/PORT B4
CS2/IRQ2/PORT B2
CS1/IRQ1/PORT B1

CS0/AVEC

MODCK/PORT B0

 EXTAL

XTAL

CLKOUT

EXTERNAL

BUS

INTERFACE

BUS

ARBITRATION

CLOCK

SYSTEM

INTEGRATION

MODULE

TEST

TCK

TMS

TDI

TDO

A23–A0

FC3–FC0

D15–D0

RESET

BERR

HALT

AS

DS

R/W

SIZ1

SIZ0

DSACK1

DSACK0

BR
BG

BGACK

RMC

OUTPUT

PORT

TxRDYA/OP6

RxRDYA/FFULLA/OP4

RTSB/OP1
RTSA/OP0

TIMER

MODULE

XFC

F

re

e

sc

a

le

 S

e

m

ic

o

n

d

u

c

to

r,

 I

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

  

 

Freescale Semiconductor, Inc.

For More Information On This Product,

   Go to: www.freescale.com

n

c

.

..