MC68HC705C8AB Freescale Semiconductor, MC68HC705C8AB Datasheet - Page 49

• Manufacturer Part Number: MC68HC705C8AB
• Description: IC MCU 8K OTP 2.1MHZ 42-SDIP
• Manufacturer: Freescale Semiconductor
• Series: HC05r

Specifications of MC68HC705C8AB

• 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)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

4.1 Contents
4.2 Introduction
MC68HC705C8A — Rev. 3
MOTOROLA
Technical Data — MC68HC705C8A
4.2
4.3
4.3.1
4.3.2
4.3.3
4.3.4
4.3.5
4.3.6
4.4
This section describes how interrupts temporarily change the normal
processing sequence.
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For More Information On This Product,
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49
Interrupt Sources . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Interrupt Processing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .57
Software Interrupt. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
External Interrupt (IRQ) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Port B Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Capture/Compare Timer Interrupts . . . . . . . . . . . . . . . . . . .55
SCI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
SPI Interrupts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
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Interrupts
Section 4. Interrupts
Technical Data