MC68HC908JB16DW Freescale Semiconductor, MC68HC908JB16DW Datasheet - Page 289

• Manufacturer Part Number: MC68HC908JB16DW
• Description: IC MCU 16K FLASH 6MHZ USB 28SOIC
• Manufacturer: Freescale Semiconductor
• Series: HC08r

Specifications of MC68HC908JB16DW

• Core Processor: HC08
• Core Size: 8-Bit
• Speed: 6MHz
• Connectivity: SCI, USB
• Peripherals: LED, LVD, POR, PWM
• Number Of I /o: 21
• Program Memory Size: 16KB (16K x 8)
• Program Memory Type: FLASH
• Ram Size: 384 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 28-SOIC (7.5mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -

16.1 Contents
16.2 Introduction
MC68HC908JB16
Freescale Semiconductor
Technical Data — MC68HC908JB16
—
Rev. 1.1
Section 16. Keyboard Interrupt Module (KBI)
16.2
16.3
16.4
16.5
16.6
16.7
16.7.1
16.7.2
16.8
16.8.1
16.8.2
16.9
The keyboard interrupt module (KBI) provides eight independently
maskable external interrupts which are accessible via PTA0–PTA7 pins.
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 289
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Keyboard Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Low-Power Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 295
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 296
Pin Name Conventions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291
I/O Registers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 293
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 294
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 295
Wait Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Keyboard Interrupt Module (KBI)
Technical Data
289