ST16C654CJ68 EXAR [Exar Corporation], ST16C654CJ68 Datasheet - Page 41

• Manufacturer Part Number: ST16C654CJ68
• Description: QUAD UART WITH 64-BYTE FIFO AND INFRARED (IrDA) ENCODER/DECODER
• Manufacturer: EXAR [Exar Corporation]

RX
-RXRDY
-IOR
RX
-RXRDY
-IOR
Rev. 4.10
Receive ready timing in none FIFO mode
START
START
BIT
BIT
Receive timing in FIFO mode
D0
D0
D1
D1
D2
D2
DATA BITS (5-8)
DATA BITS (5-8)
5-105
D3
D3
D4
D4
D5
D5
ST16C654/654D
D6
D6
D7
D7
PARITY
PARITY
BIT
BIT
STOP
STOP
BIT
BIT
T26d
First byte
that reaches
the trigger
level
T26d
START
NEXT
DATA
BIT
Ready
Ready
Active
Active
X654-RX-2
X654-RX-3
Data
Data
T25d
T25d
Active
Active