SC28L92A1BS NXP [NXP Semiconductors], SC28L92A1BS Datasheet - Page 59

• Manufacturer Part Number: SC28L92A1BS
• Description: 3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter (DUART)
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
SC28L92_7
Product data sheet
Fig 12. Bus timing, read cycle (68xxx mode)
Fig 13. Bus timing, write cycle (68xxx mode)
D0 to D7
D0 to D7
A0 to A3
A0 to A3
DACKN LOW requires two rising edges of X1 clock after CEN is LOW.
DACKN LOW requires two rising edges of X1 clock after CEN is LOW.
X1/CLK
DACKN
X1/CLK
DACKN
R/WN
R/WN
CEN
CEN
Rev. 07 — 19 December 2007
3.3 V/5.0 V Dual Universal Asynchronous Receiver/Transmitter
t
t
t
AS
DA
AS
t
t
t
CS
not valid
CS
t
CSC
CSC
t
DD
t
DS
t
t
AH
AH
t
t
DCW
DCR
data valid
t
t
DAT
DAT
t
DF
t
t
t
t
RWD
t
RWD
DH
CH
CH
t
t
DAH
DAH
SC28L92
© NXP B.V. 2007. All rights reserved.
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