SC28L194 Philips Semiconductors, SC28L194 Datasheet - Page 46

• Manufacturer Part Number: SC28L194
• Description: Quad UART for 3.3V and 5V supply voltage
• Manufacturer: Philips Semiconductors

Philips Semiconductors
Note: CEN must not be active during an IACKN cycle. If CEN is
active IACKN will be ignored and a normal read or write will be
executed according to W_RN.
In the synchronous mode extended IACKN signal cycle will start
another IACKN. (This may not be desired, but is allowed.)
1998 Sep 21
Quad UART for 3.3V and 5V supply voltage
1X DATA CLOCK
Figure 11. Counter/Timer Baud Rate Clock, External
T/RF
T/RF
SCLK
SCLK
T/RF
Figure 13. Transmitter and Receiver Timing
Figure 12. Tx/Rx Clock Timing, External
RxD
TxD
Figure 10. SCLK Timing
t
SCLKH
TC/TH
TC/TH
t
TXD
46
f
FC/T
Frx
Ftx
SCLK
t
RXS
t
SCLKL
TC/TL
Trx
Ttx
t
RXH
SD00199
TC/TO
TC/TO
SD00201
SD00200
SD00202
Preliminary specification
SC28L194