ST16C654CJ68 EXAR [Exar Corporation], ST16C654CJ68 Datasheet - Page 3

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

Figure 2, Block Diagram 16 Mode
-RXRDY A-D
-TXRDY A-D
Rev. 4.10
INT A-D
-RXRDY
-TXRDY
-CS A-D
INTSEL
RESET
D0-D7
XTAL1
XTAL2
A0-A2
-IOW
-IOR
MIDI
5-67
Transmit
Registers
Registers
Control
Receive
Control
FIFO
FIFO
Logic
Logic
Flow
Flow
ST16C654/654D
Transmit
Register
Register
Receive
Shift
Shift
Modem
Control
Logic
Encoder
Decoder
Ir
Ir
-DTR A-D
-RTS A-D
TX A-D
RX A-D
RXIR A-D
-CTS A-D
-RI A-D
-CD A-D
-DSR A-D