ST16C654CJ68 EXAR [Exar Corporation], ST16C654CJ68 Datasheet - Page 4

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

ST16C654/654D
Figure 3, Block Diagram 68 Mode
-RXRDY A-D
-TXRDY A-D
Rev. 4.10
-RESET
-RXRDY
-TXRDY
XTAL1
XTAL2
D0-D7
A0-A4
MIDI
R/-W
-CS
IRQ
5-68
Transmit
Registers
Registers
Control
Receive
Control
FIFO
FIFO
Logic
Logic
Flow
Flow
Transmit
Register
Register
Receive
Shift
Shift
Control
Modem
Logic
Encoder
Decoder
Ir
Ir
-DTR A-D
-RTS A-D
-CTS A-D
-RI A-D
-CD A-D
-DSR A-D
TX A-D
RX A-D
IRRX A-D