xr16m680 Exar Corporation, xr16m680 Datasheet - Page 49

• Manufacturer Part Number: xr16m680
• Description: 1.62v To 3.63v High Performance Uart With 32-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.0
F
F
IGURE
IGURE
RXRDY#
RX
INT
IOR#
(Reading data
out of RHR)
A0-A2
D0-D7
R/W#
21. 68 M
22. R
CS#
ECEIVE
ODE
R
Start
(M
Bit
EADY
OTOROLA
T
RWS
T
ADS
& I
D0:D7
NTERRUPT
) D
Valid Address
ATA
Stop
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 32-BYTE FIFO
Bit
T
B
T
RR
T
CSL
in RHR
US
T
1 Byte
Ready
Active
Valid Data
IMING
T
T
Data
WDS
SSR
SSR
W
RITE
[N
ON
T
T
RWH
D0:D7
49
IMING
-FIFO M
T
T
WDH
ADH
T
ODE
CSD
T
RR
in RHR
]
1 Byte
Active
Ready
T
T
Data
SSR
SSR
Valid Address
D0:D7
Valid Data
T
XR16M680
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
RXNFM
68Write