Table of Contents
Advertisement
SECTION 7
SERIAL MODULE
The MC68340 serial module is a dual universal asynchronous/synchronous
receiver/transmitter that interfaces directly to the CPU32 processor via the intermodule
bus (IMB). The serial module, shown in Figure 7-1, consists of the following major
functional areas:
• Two Independent Serial Communication Channels (A and B)
• Baud Rate Generator Logic
• Internal Channel Control Logic
• Interrupt Control Logic
MOTOROLA
Freescale Semiconductor, Inc.
SERIAL COMMUNICATIONS
CHANNELS A AND B
BAUD RATE
GENERATOR LOGIC
INTERNAL CHANNEL
CONTROL LOGIC
INTERRUPT CONTROL
LOGIC
Figure 7-1. Simplified Block Diagram
MC68340 USER'S MANUAL
For More Information On This Product,
Go to: www.freescale.com
CTSA
RTSA
RxDA
TxDA
RxRDYA
. . . . . . . . . . .
TxRDYA
CTSB
RTSB
RxDB
TxDB
X1
X2
SCLK
7- 1
Advertisement
Table of Contents
