Pin Descriptions

The SCC pins are divided into seven functional groups Address Data, Bus Timing and Reset, Device Control, Interrupt, Serial Data both channels , Peripheral Control both channels , and Clocks both channels . Figures 1-2 and 1-3 show the pins in each functional group for both Z80X30 and Z85X30. Notice the pin functions unique to each bus interface version in the Address Data group, Bus Timing and Reset group, and Control groups. The Address Data group consists of the bidirectional lines used to...

Introduction

The Zilog SCC Serial Communication Controller is a dual channel, multiprotocol data communication peripheral designed for use with 8- and 16-bit microprocessors. The SCC functions as a serial-to-parallel, parallel-to-serial converter controller. The SCC can be software-configured to satisfy a wide variety of serial communications applications. The device contains a variety of new, sophisticated internal functions including on-chip baud rate generators, digital phase-lock loops, and crystal...