MC68306 Motorola, MC68306 Datasheet - Page 116

• Manufacturer Part Number: MC68306
• Description: Integrated EC000 Processor
• Manufacturer: Motorola

6-8
NOTE:
. . . . . .
R/W = READ/WRITE
R = READ
W = WRITE
(2 REGISTERS)
(2 REGISTERS)
BUFFER (TBA)
BUFFER (TBB)
Figure 6-4. Transmitter and Receiver Functional Diagram
TRANSMIT
TRANSMIT
(4 REGISTERS)
BUFFER (RBB)
(4 REGISTERS)
BUFFER (RBA)
RECEIVE
RECEIVE
COMMAND REGISTER (CRA)
STATUS REGISTER (SRA)
MC68306 USER'S MANUAL
MODE REGISTER 1 (MR1A)
MODE REGISTER 2 (MR2A)
COMMAND REGISTER (CRB)
RECEIVER HOLDING REGISTER 1
STATUS REGISTER (SRB)
RECEIVER HOLDING REGISTER 1
TRANSMIT HOLDING REGISTER
MODE REGISTER 1 (MR1B)
MODE REGISTER 2 (MR2B)
TRANSMIT HOLDING REGISTER
TRANSMIT SHIFT REGISTER
TRANSMIT SHIFT REGISTER
RECEIVER HOLDING REGISTER 2
RECEIVER HOLDING REGISTER 2
CHANNEL B
CHANNEL A
RECEIVER HOLDING REGISTER 3
RECEIVER HOLDING REGISTER 3
RECEIVER SHIFT REGISTER
RECEIVER SHIFT REGISTER
R
R
R/W
R/W
R/W
R/W
W
W
R
W
W
R
FIFO
FIFO
TxDA
RxDA
TxDB
RxDB
EXTERNAL
INTERFACE
MOTOROLA