SC28L92 Philips Semiconductors, SC28L92 Datasheet - Page 37

• Manufacturer Part Number: SC28L92
• Description: 3.3V-5.0V Dual Universal Asynchronous Receiver/Transmitter DUART
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Jan 21
NOTE: DACKN low requires two rising edges of X1 clock after CSN is low.
3.3V–5.0V Dual Universal Asynchronous
Receiver/Transmitter (DUART)
DTACKN
X1/CLK
(a) INPUT PINS
(b) OUTPUT PINS
IACKN
D0–D7
INTRN
OP0–OP7
IP0–IP6
WRN
RDN
Figure 8. Interrupt Cycle Timing (68XXX mode)
t
PS
t
t
CSC
DD
OLD DATA
Figure 9. Port Timing
t
DAL
37
t
DCR
t
t
PH
CSD
t
PD
t
DAH
t
DAT
NEW DATA
t
DF
SD00135
SD00149
Product specification
SC28L92