Description
December 2003
The ST16C552/ST16C552A (552/552A) is a dual universal asynchronous receiver and transmitter (UART) with an added bi-directional parallel port that is directly compatible with a CENTRONICS type printer.The parallel port is designed such that the user can configure it as general purpose I/O interface, or for connection to other printer devices.The 552/552A provides enhanced UART functions with 16 byte FIFO’s, a modem control interface, and data rates up to 1.5Mbps.Onboard status
Features
- PLCC Package
9 -RXRDYA 8 -CDB 7 GND 6 -RIB 5 -DSRB 4 CLK 3 -CSB 2 GND 1 BIDEN 68 ACK 67 PE 66 -BUSY 65 SLCT 64 VCC 63 ERROR 62 RXB 61 -RXRDYB
Added features in device revision "F" and newer:.
- 5V Tolerant Inputs.
- Pin to pin and functional compatible to ST16C452/
452PS, TL16C552.
- 2.97 to 5.5 volt operation.
- Software compatible with INS8250, NS16C550.
- 1.5 Mbps transmit/receive operation (24MHz).
- 16 byte transmit FIFO.
- 16 byte receive.