ST16C654D Exar Corporation, ST16C654D Datasheet - Page 42

• Manufacturer Part Number: ST16C654D
• Description: St16c654d -quad Uart With 64-byte Fifo And Infrared Irda Encoder/decoder
• Manufacturer: Exar Corporation

ST16C654/654D
2.97V TO 5.5V QUAD UART WITH 64-BYTE FIFO
F
F
IGURE
IGURE
A0-A7
D0-D7
R/W#
INT
RXRDY#
RX
IOR#
(Reading data
out of RHR)
CS#
19. 68 M
20. R
ECEIVE
ODE
R
Start
(M
Bit
EADY
T
OTOROLA
RWS
T
ADS
& I
D0:D7
NTERRUPT
) D
Valid Address
ATA
Stop
T
Bit
T
CSL
B
T
Valid Data
RR
T
in RHR
US
WDS
1 Byte
Ready
Active
IMING
T
T
Data
SSR
SSR
W
RITE
[N
T
ON
RWH
T
D0:D7
IMING FOR
42
-FIFO M
T
T
WDH
ADH
T
CSD
ODE
C
T
RR
HANNELS
in RHR
1 Byte
]
Ready
Active
T
T
Data
FOR
SSR
SSR
C
HANNELS
A-D
Valid Address
D0:D7
A-D
Valid Data
xr
T
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
68Write
RXNFM
REV. 5.0.2