Philips Semiconductors

Product specification

SCN68562

Dual universal serial communications controller (DUSCC)

1995 May 01

13

TxDAKN

D0–D7

RDYN

(DTACKN)

DTCN

DONEN

(INPUT)

TxDRQN

DONEN

(OUTPUT)

39

30

36

37

32

31

28

27

38

40A

40

SD000235

Figure 14. DMA Transmit Write Timing—Single Address DMA Mode

RTxDAKN

D0–D7

RDYN

(DTACKN)

DTCN

DONEN

(OUTPUT)

RTxDRQN

34

26

29

30

28

27

32

31

40A

33

35

SD00236

Figure 15. DMA Receive Read Timing—Single Address DMA Mode