MC68HC711KS2MFN4 Freescale Semiconductor, MC68HC711KS2MFN4 Datasheet - Page 149

• Manufacturer Part Number: MC68HC711KS2MFN4
• Description: 32K EPROM - SLOW MODE
• Manufacturer: Freescale Semiconductor

7.1 Contents
7.2 Introduction
M68HC11K Family
MOTOROLA
Technical Data — M68HC11K Family
Section 7. Serial Communications Interface (SCI)
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.9.1
7.9.2
7.9.3
7.9.4
7.9.5
7.9.6
The serial communications interface (SCI) is a universal asynchronous
receiver transmitter (UART) employing a standard non-return-to-zero
(NRZ) format. Several baud rates are available. The SCI transmitter and
receiver are independent, but they use the same data format and baud
rate.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 149
Data Format . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150
Transmit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
Receive Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153
Wakeup Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156
Short Mode Idle Line Detection . . . . . . . . . . . . . . . . . . . . . . .157
Baud Rate Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
SCI Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .158
Serial Communications Interface (SCI)
SCI Baud Rate Control Register . . . . . . . . . . . . . . . . . . . . 158
Serial Communications Control Register 1 . . . . . . . . . . . . 160
Serial Communications Control Register 2 . . . . . . . . . . . . 161
Serial Communication Status Register 1 . . . . . . . . . . . . . . 162
Serial Communication Status Register 2 . . . . . . . . . . . . . . 164
Serial Communications Data Register . . . . . . . . . . . . . . . . 165
Technical Data
149