SCC68692 Philips, SCC68692 Datasheet - Page 21

• Manufacturer Part Number: SCC68692
• Description: Dual asynchronous receiver/transmitter DUART
• Manufacturer: Philips

Philips Semiconductors
1998 Sep 04
NOTE: DACKN low requires two rising edges of X1 clock after CSN is low.
Dual asynchronous receiver/transmitter (DUART)
NOTE: DACKN low requires two rising edges of X1 clock after CSN is low.
DTACKN
X1/CLK
IACKN
D0–D7
INTRN
DTACKN
X1/CLK
A1–A4
D0–D7
RWN
CSN
t
AS
Figure 5. Bus Timing (Write Cycle)
Figure 6. Interrupt Cycle Timing
t
RWS
t
t
t
CSC
DD
CSC
t
DS
t
AH
t
DAL
t
DCW
21
t
CSD
t
DCR
t
CSD
t
DAT
t
DAH
t
t
CSW
DAT
t
RWH
t
t
DH
DAH
t
DF
SD00148
SD00149
SCC68692
Product specification