MC68306FC16 Datasheet, PDF (146/191 Pages) Motorola, Inc – Integrated EC000 Processor

SERIAL MODULE
SINIT
INITIATE:
CHANNEL A
CHANNEL B
INTERRUPTS
CHK1
POINT TO CHANNEL A
ENABLA
ANY
ERRORS IN
Y
CHANNEL A
?
N
ENABLE CHANNEL
A'S RECEIVER
CALL CHCHK
SAVE CHANNEL A
STATUS
CHK2
POINT TO CHANNEL B
CALL CHCHK
SAVE CHANNEL B
STATUS
ASSERT CHANNEL A
REQUEST TO SEND
ENABLB
ANY
ERRORS IN
Y
CHANNEL B
?
N
ENABLE CHANNEL
B'S TRANSMITTER
SINITR
RETURN
Figure 6-10. Serial Module Programming Flowchart (1 of 5)
6-38
MC68306 USER'S MANUAL
MOTOROLA