SC28L194 Philips Semiconductors, SC28L194 Datasheet - Page 43

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

Philips Semiconductors
1998 Sep 21
ADDRESS
Quad UART for 3.3V and 5V supply voltage
DACKN
W_RN
ADDRESS
SCLK
DATA
CEN
DACKN
W_RN
SCLK
DATA
CEN
INVALID
INVALID
C1
INVALID
t
CS
t
t
C1
CS
RWS
INVALID
Figure 4. Basic Write Cycle, ASYNC
Figure 5. Basic Write Cycle, SYNC
C2
t
RWS
t
AS
VALID
t
RWH
t
CH
t
C3
AH
C2
43
t
AS
DAK
t
DS
VALID
C4
VALID
t
RWH
t
DLY
DH
t
C4
C3
AH
INVALID
C4 END
DAK
t
C1
DS
INVALID
DLY
DAK
VALID
C4
DLY
t
DH
t
CH
C4
t
STP
C2
DAK
CEN HIGH
INVALID
DLY
t
RWD
Preliminary specification
SC28L194
INVALID
SD00194
SD00195