Abstract
This chapter provides the details of TINI serial ports and parallel I/O. These two interfaces help to connect many devices to TINI for control and automation tasks. The TINI microcontroller is equipped for many forms of I/O. The two simpler ones are the serial and parallel ports. The TINI CPU can directly support two serial ports and many others can be added as memory-mapped peripherals. The serial port converts data from internal parallel data to a serial data stream, and changes the electrical representation of the data so it can be transmitted over distance without data loss. The serial port is defined by the RS-232-C (RS for Recommended Standard) or the EIA-232-D (EIA for Electronics Industry Association) specifications. The RS specification is now obsolete but is still widely used. TINI's parallel I/O ports are 8-bit wide, memory-mapped I/O busses for general-purpose control. Furthermore, it examines these two I/O devices in detail and provides some example circuits and programs.
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