Quad UART With 16-Byte FIFOs

The TL16C554A is an enhanced quadruple version of the TL16C550C asynchronous-communications element (ACE). Each channel performs serial-to-parallel conversion on data characters received from peripheral devices or modems and parallel-to-serial conversion on data characters transmitted by the CPU. The complete status of each channel of the quadruple ACE CAN be read by the CPU at any time during operation. The information obtained includes the type and condition of the operation performed and any error conditions encountered.
The TL16C554A quadruple ACE CAN be placed in an alternate FIFO mode, which activates the internal FIFOs to allow 16 bytes (plus three bits of error data per byte in the receiver FIFO) to be stored in both receive and transmit modes. In the FIFO mode of operation, there is a selectable autoflow control feature that CAN significantly reduce software overhead and increase system efficiency by automatically controlling serial-data flow using RTS output and CTS input signals. All Logic is on the chip to minimize system overhead and maximize system efficiency. Two terminal functions allow signaling of direct-memory access (DMA) transfers. Each ACE includes a programmable baud-rate generator that CAN divide the Timing reference Clock input by a divisor between 1 and 216-1.
The TL16C554A is available in a 68-pin plastic-leaded chip-carrier (PLCC) FN package and in an 80-pin (TQFP) PN package.
By Texas Instruments
Part Manufacturer Description Datasheet Samples
TL16C554AFN Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC 0 to 70
TL16C554APNR Texas Instruments Quad UART with 16-Byte FIFOs 80-LQFP 0 to 70
TL16C554AFNRG4 Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC 0 to 70
TL16C554AIFNR Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC -40 to 85
TL16C554AIPN Texas Instruments Quad UART with 16-Byte FIFOs 80-LQFP -40 to 85
TL16C554APN Texas Instruments Quad UART with 16-Byte FIFOs 80-LQFP 0 to 70
TL16C554APNG4 Texas Instruments Quad UART with 16-Byte FIFOs 80-LQFP 0 to 70
TL16C554AFNR Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC 0 to 70
TL16C554AIFN Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC -40 to 85
TL16C554AFNG4 Texas Instruments Quad UART with 16-Byte FIFOs 68-PLCC 0 to 70
TL16C554A 's PackagesTL16C554A 's pdf datasheet
TL16C554AFN PLCC
TL16C554AFNG4 PLCC
TL16C554AFNR PLCC
TL16C554AIPN LQFP
TL16C554AIPNG4 LQFP
TL16C554AIPNR LQFP
TL16C554AIPNRG4 LQFP
TL16C554APN LQFP
TL16C554APNG4 LQFP
TL16C554APNR LQFP
TL16C554APNRG4 LQFP




TL16C554A Pinout, Pinouts
TL16C554A pinout,Pin out
This is one package pinout of TL16C554A,If you need more pinouts please download TL16C554A's pdf datasheet.

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