SC28L202 Philips Semiconductors, SC28L202 Datasheet - Page 69

• Manufacturer Part Number: SC28L202
• Description: Dual universal asynchronous receiver/transmitter DUART
• Manufacturer: Philips Semiconductors

Philips Semiconductors
2000 Feb 10
NOTE: DACKN low requires two rising edges of X1 clock after CSN is low.
Dual UART
DTACKN
X1/CLK
(a) INPUT PINS
(b) OUTPUT PINS
IACKN
D0–D7
INTRN
OP0–OP7
IP0–IP6
WRN
RDN
Figure 6. Interrupt Cycle Timing (68XXX mode)
t
PS
t
t
CSC
DD
OLD DATA
Figure 7. Port Timing
t
DAL
63
t
DCR
t
t
PH
CSD
t
PD
t
DAH
t
DAT
NEW DATA
t
DF
SD00135
SD00149
Objective specification
SC28L202