ST16C650AIQ48 View Datasheet(PDF) - Exar Corporation
Part Name
Description
MFG CO.
'ST16C650AIQ48' PDF : 52 Pages View PDF
ST16C650A
2.90V TO 5.5V UART WITH 32-BYTE FIFO
FIGURE 24. RECEIVE READY & INTERRUPT TIMING [NON-FIFO MODE]
RX
Start
Bit
D0:D7
Stop
Bit
D0:D7
TSSR
TSSR
1 Byte
1 Byte
INT
in RHR
in RHR
TSSR
TSSR
RXRDY#
Active
Data
Ready
TRR
Active
Data
Ready
TRR
IOR#
(Reading data
out of RHR)
áç
REV. 5.0.0
D0:D7
TSSR
1 Byte
in RHR
TSSR
Active
Data
Ready
TRR
RXNFM
FIGURE 25. TRANSMIT READY & INTERRUPT TIMING [NON-FIFO MODE]
TX
(Unloading)
IER[1]
enabled
Start
Bit
D0:D7
Stop
Bit
ISR is read
D0:D7
ISR is read
INT*
TWRI
TXRDY#
TWRI
TSRT
TSRT
TWRI
D0:D7
ISR is read
TSRT
TWT
TWT
IOW#
(Loading data
into THR)
*INT is cleared when the ISR is read or when data is loaded into the THR.
TWT
TXNonFIFO
46
Share Link: 
