SC28L198 Datasheet, PDF (51/56 Pages) NXP Semiconductors – Octal UART for 3.3V and 5V supply voltage

Philips Semiconductors
Octal UART for 3.3V and 5V supply voltage
Product specification
SC28L198
T/RF_SCLK
t_SCLKH
t_SCLKL
f_SCLK
Figure 8. SCLK Timing
T/RF_SCLK
TC/TH
TC/TL
FC/T
SD00199
TC/TO
Figure 9. Counter/Timer Baud Rate Clock, External
SD00200
T/RF
Trx
Ttx
TC/TH
Frx
Ftx
TC/TO
Figure 10. Tx/Rx Clock Timing, External
SD00201
1X DATA CLOCK
RxD
TxD
t_TXD
t_RXH
t_RXS
Figure 11. Transmitter and Receiver Timing
SD00202
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)
1999 Jan 14
51