MC68HC908GR8CDW Freescale Semiconductor, MC68HC908GR8CDW Datasheet - Page 175

• Manufacturer Part Number: MC68HC908GR8CDW
• Description: IC MCU 8K FLASH 8MHZ 28-SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GR8CDW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 17
• 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: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Technical Data — MC68HC908GR8
13.1 Contents
13.2 Introduction
13.3 Features
MC68HC908GR8 — Rev 4.0
MOTOROLA
13.2
13.3
13.4
13.5
13.6
13.7
13.8
The keyboard interrupt module (KBI) provides four independently
maskable external interrupts.
Freescale Semiconductor, Inc.
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For More Information On This Product,
Four keyboard interrupt pins with separate keyboard interrupt
enable bits and one keyboard interrupt mask
Hysteresis buffers
Programmable edge-only or edge- and level- interrupt sensitivity
Exit from low-power modes
I/O (input/output) port bit(s) software configurable with pullup
device(s) if configured as input port bit(s)
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .180
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .180
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
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Section 13. Keyboard Interrupt (KBI)
Keyboard Interrupt (KBI)
Technical Data
175