MC68HC908GR8CFA Freescale Semiconductor, MC68HC908GR8CFA Datasheet - Page 167

• Manufacturer Part Number: MC68HC908GR8CFA
• Description: IC MCU FLSH 8BIT8MHZ 7.5K32-LQFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CFA

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 7.5KB (7.5K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 6x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Technical Data — MC68HC908GR8
12.1 Contents
12.2 Introduction
12.3 Features
MC68HC908GR8 — Rev 4.0
MOTOROLA
12.2
12.3
12.4
12.5
12.6
12.7
The IRQ (external interrupt) module provides a maskable interrupt input.
Features of the IRQ module include:
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A dedicated external interrupt pin (IRQ1)
IRQ interrupt control bits
Hysteresis buffer
Programmable edge-only or edge and level interrupt sensitivity
Automatic interrupt acknowledge
Internal pullup resistor
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
IRQ1 Pin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170
IRQ Module During Break Interrupts . . . . . . . . . . . . . . . . . . .171
IRQ Status and Control Register . . . . . . . . . . . . . . . . . . . . . . 172
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External Interrupt (IRQ)
Section 12. External Interrupt (IRQ)
Technical Data
167