MC705C8ABE Freescale Semiconductor, MC705C8ABE Datasheet - Page 121

• Manufacturer Part Number: MC705C8ABE
• Description: IC MCU 8BIT 42-SDIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC705C8ABE

• Core Processor: HC05
• Core Size: 8-Bit
• Speed: 2.1MHz
• Connectivity: SCI, SPI
• Peripherals: POR, WDT
• Number Of I /o: 24
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP
• Ram Size: 304 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 42-DIP (0.600", 15.24mm)
• Processor Series: HC705C
• Core: HC05
• Data Bus Width: 8 bit
• Data Ram Size: 304 B
• Interface Type: SCI, SPI
• Maximum Clock Frequency: 2.1 MHz
• Number Of Programmable I/os: 24
• Number Of Timers: 1
• Mounting Style: Through Hole
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Lead Free Status / Rohs Status: Details

10.1 Contents
10.2 Introduction
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
Section 10. Serial Communications Interface (SCI)
10.2
10.3
10.4
10.5
10.5.1
10.5.2
10.6
10.6.1
10.6.2
10.6.3
10.6.4
10.6.5
The serial communications interface (SCI) module allows high-speed
asynchronous communication with peripheral devices and other
microcontroller units (MCUs).
Freescale Semiconductor, Inc.
For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
SCI Data Format. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
SCI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
SCI I/O Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
Serial Communications Interface (SCI)
Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123
Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 127
SCI Data Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 129
SCI Control Register 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . .130
SCI Control Register 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . .131
SCI Status Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 133
Baud Rate Register . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 136
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Technical Data