mc45488fn Lansdale Semiconductor, Inc., mc45488fn Datasheet - Page 9

• Manufacturer Part Number: mc45488fn
• Description: Dual Data Link Controller
• Manufacturer: Lansdale Semiconductor, Inc.

ML145488
Page 9 of 12
MCLK
÷
÷
÷
÷
16
2
4
8
AVAILABLE
BUFFER
NO
ALTERNATE
REQUESTS
PREPARE
BUFFER
TERMINATION
POLL
NORMAL
Figure 7. Receive DMA State Diagram
Figure 8. Timer Clock Selection
PRESCALE SELECT
AVAILABLE
REQUEST
BUFFER
Rx DMA
BUFFER
www.lansdale.com
FULL
÷
1024
BUS GRANTED
BUFFER NOT
BUS ERROR
ERROR EOF
ADDRESS
REQUEST
PREPARE
PREPARE
CHANNEL
DISABLE
NO EOF
COUNT
RESET
CYCLE
BYTE
DATA
BUS
BUS
FULL
÷
NORMAL
16
EOF
DTACK
NO
BG
NO
BUFFER
CLOSE
DOWN–WATCHDOG MODE
UP–TIMER MODE
LANSDALE Semiconductor, Inc.
TIMER 0
TIMER 1
Issue A