MC68HC908GP32CFB Freescale Semiconductor, MC68HC908GP32CFB Datasheet - Page 183

• Manufacturer Part Number: MC68HC908GP32CFB
• Description: IC MCU 8MHZ 32K FLASH 44-QFP
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908GP32CFB

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SCI, SPI
• Peripherals: LVD, POR, PWM
• Number Of I /o: 33
• Program Memory Size: 32KB (32K x 8)
• Program Memory Type: FLASH
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 8x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-QFP
• For Use With: M68EVB908GP32 - BOARD EVALUATION FOR HC908GP32
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

13.1 Contents
13.2 Introduction
MC68HC908GP32
MOTOROLA
Technical Data – MC68HC908GP32•MC68HC08GP32
•
MC68HC08GP32
Section 13. Keyboard Interrupt Module (KBI)
13.2
13.3
13.4
13.5
13.6
13.6.1
13.6.2
13.7
13.8
13.8.1
13.8.2
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTA0–PTA7.
When a port pin is enabled for keyboard interrupt function, an internal
pullup device is also enabled on the pin.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .186
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . .186
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187
—
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 186
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 187
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 188
Rev. 6
Keyboard Interrupt Module (KBI)
Technical Data
181