MC9S12KG128_10 Datasheet, PDF (329/606 Pages) Freescale Semiconductor, Inc – HCS12 Microcontrollers

Chapter 10
Serial Communications Interface (S12SCIV2)
Block Description
Revision History
Version Revision Effective
Number Date
Date
02.06 11/15/2002
02.07 07/05/2003
02.08 04/16/2004
02.09 02/21/2006
Author
Description of Changes
Update Table 4-3 to use more general module clock
frequency 25 MHz instead of 10.2 MHz
Updated according to SRS3.0
Update OR flag and PF falg description; Correct baud rate
tolerance in 4.5.5.1 and 4.5.5.2
Fix fig1-8, SCIDRL reset value from 0x40 to 0x0
10.1 Introduction
This block guide provide an overview of serial communication interface (SCI) module. The SCI allows
asynchronous serial communications with peripheral devices and other CPUs.
10.1.1 Glossary
IRQ — Interrupt Request
LSB — Least Significant Bit
MSB — Most Significant Bit
NRZ — Non-Return-to-Zero
RZI — Return-to-Zero-Inverted
RXD — Receive Pin
SCI — Serial Communication Interface
TXD — Transmit Pin
MC9S12KG128 Data Sheet, Rev. 1.16
Freescale Semiconductor
329