MC68HC11K0CFUE4 Freescale Semiconductor, MC68HC11K0CFUE4 Datasheet - Page 149

• Manufacturer Part Number: MC68HC11K0CFUE4
• Description: MCU 8-BIT 768 RAM 4MHZ 80-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC11r

Specifications of MC68HC11K0CFUE4

• Core Processor: HC11
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SCI, SPI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 37
• Program Memory Type: ROMless
• Ram Size: 768 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 80-QFP
• Data Bus Width: 8 bit
• Data Ram Size: 768 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 37
• Number Of Timers: 8
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -
• Lead Free Status / Rohs Status: Details

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.
Freescale Semiconductor, Inc.
For More Information On This Product,
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
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Technical Data
149