BKPT/DSCLK
TCK
TMS
TDI
TDO
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
FREEZE
IPIPE/DS0
IFETCH/DS1
PORT A
SCLK
X2
X1
CPU32
68020-BASED
PROCESSOR
A23–A0
D15–D0
FC3–FC0
RESET
BERR
HALT
AS
DS
R/W
SIZ1
SIZ0
DSACK1
DSACK0
BR
BG
BGACK
RMC
TEST
TWO-CHANNEL
SERIAL
I/O
RxDA
TxDA
CTSA
RxDB
TxDB
CTSB
EXTERNAL
BUS
INTERFACE
OUTPUT
PORT
SYSTEM
INTEGRATION
MODULE
(SIM40)
TxRDYA/OP6
RxRDYA/FFULLA/OP4
RTSB/OP1
RTSA/OP0
IMB
BUS
ARBITRATION
CLOCK
TWO-CHANNEL DMA
CONTROLLER
EXTAL
XTAL
TIMER
MODULE
TIMER
MODULE
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
PORT B
DREQ1
DACK1
DONE1
DREQ2
DACK2
DONE2
TGATE1
TIN1
TOUT1
TGATE2
TIN2
TOUT2
Figure 2. MC68340 Detailed Block Diagram
4
MC68340 PRODUCT INFORMATION
CLKOUT
XFC
MOTOROLA
FREESCALE [ FREESCALE SEMICONDUCTOR, INC ]
