xr16m770il32 Exar Corporation, xr16m770il32 Datasheet - Page 47
xr16m770il32
Manufacturer Part Number
xr16m770il32
Description
1.62v To 3.63v High Performance Uart With 64-byte Fifo
Manufacturer
Exar Corporation
Datasheet
1.XR16M770IL32.pdf
(52 pages)
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REV. 1.0.0
F
F
IGURE
IGURE
RXRDY#
INT*
TXRDY#
IOW#
RX
INT
TX
(Unloading)
(Loading data
into THR)
IOR#
(Reading data
out of RHR)
*INT is cleared when the ISR is read or when data is loaded into the THR.
19. R
20. T
IER[1]
enabled
RANSMIT
ECEIVE
T
WRI
R
T
Start
Start
Bit
WT
R
Bit
EADY
EADY
& I
ISR is read
D0:D7
T
& I
D0:D7
SRT
NTERRUPT
NTERRUPT
T
WRI
Stop
Stop
1.62V TO 3.63V HIGH PERFORMANCE UART WITH 64-BYTE FIFO
Bit
Bit
T
RR
T
in RHR
1 Byte
Ready
Active
T
IMING
T
T
Data
T
IMING
SSR
SSR
WT
[N
[N
ISR is read
ON
T
D0:D7
ON
D0:D7
SRT
47
-FIFO M
-FIFO M
ODE
ODE
T
RR
in RHR
]
1 Byte
Active
Ready
T
T
Data
]
SSR
SSR
T
WRI
T
WT
D0:D7
ISR is read
D0:D7
T
SRT
TXNonFIFO
T
XR16M770
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
RXNFM
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