ST16C1450CJ28 EXAR [Exar Corporation], ST16C1450CJ28 Datasheet - Page 26

• Manufacturer Part Number: ST16C1450CJ28
• Description: 2.97V TO 5.5V UART
• Manufacturer: EXAR [Exar Corporation]

ST16C1450/51
2.97V TO 5.5V UART
F
F
IGURE
IGURE
INT
INT*
IOW#
RX
IOR#
TX
(Unloading)
(Loading data
into THR)
(ISR bit-5)
(Reading data
out of RHR)
(ISR bit-4)
*INT is cleared when the ISR is read and IER[1] is disabled.
RXRDY
TXRDY
12. R
13. T
RANSMIT
ECEIVE
IER[1]
enabled
R
T
Start
Start
Bit
R
WT
EADY
Bit
EADY
& I
INT cleared*
D0:D7
& I
T
D0:D7
SRT
NTERRUPT
NTERRUPT
Stop
Stop
Bit
Bit
T
RR
T
in RHR
1 Byte
Ready
IER[1]
enabled
Active
T
IMING
T
T
Data
T
IMING
SSR
SSR
WT
INT cleared*
T
D0:D7
D0:D7
SRT
26
T
RR
in RHR
1 Byte
Ready
Active
T
T
Data
SSR
SSR
IER[1]
enabled
T
WT
D0:D7
INT cleared*
D0:D7
T
SRT
áç
áç
áç
áç
TXNonFIFO
T
RR
T
in RHR
1 Byte
Ready
Active
SSR
T
Data
SSR
RXNFM
REV. 4.2.0