Typewriter User Manual

MOTOROLA MC68340 USER’S MANUAL 2- 1
SECTION 2
SIGNAL DESCRIPTIONS
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
Figure 2-1. Functional Signal Groups
Frees
cale Semiconductor,
I
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
nc...