MCHC908JK3CPE Freescale Semiconductor, MCHC908JK3CPE Datasheet - Page 167
MCHC908JK3CPE
Manufacturer Part Number
MCHC908JK3CPE
Description
IC MCU 4K FLASH 20-PDIP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC908JK1CDW.pdf
(212 pages)
Specifications of MCHC908JK3CPE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LED, LVD, POR, PWM
Number Of I /o
15
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 3.3 V
Data Converters
A/D 12x8b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Package / Case
20-DIP (0.300", 7.62mm)
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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Part Number
Manufacturer
Quantity
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14.1 Contents
14.2 Introduction
14.3 Features
MC68H(R)C908JL3
Freescale Semiconductor
Technical Data — MC68H(R)C908JL3
—
Rev. 1.1
Section 14. Keyboard Interrupt Module (KBI)
14.2
14.3
14.4
14.4.1
14.4.2
14.4.3
14.5
14.6
14.7
The keyboard interrupt module (KBI) provides seven independently
maskable external interrupts which are accessible via PTA0–PTA6 pins.
Features of the keyboard interrupt module include the following:
•
•
•
•
Seven keyboard interrupt pins with separate keyboard interrupt
enable bits and one keyboard interrupt mask
Software configurable pull-up device if input pin is configured as
input port bit
Programmable edge-only or edge- and level- interrupt sensitivity
Exit from low-power modes
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166
Wait Mode. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Stop Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
Keyboard Module During Break Interrupts . . . . . . . . . . . . . . . 171
Keyboard Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168
Keyboard Status and Control Register. . . . . . . . . . . . . . . . 169
Keyboard Interrupt Enable Register . . . . . . . . . . . . . . . . . . 170
Keyboard Interrupt Module (KBI)
Technical Data
165
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