MC68HC908LJ24CPK Freescale Semiconductor, MC68HC908LJ24CPK Datasheet - Page 413
MC68HC908LJ24CPK
Manufacturer Part Number
MC68HC908LJ24CPK
Description
IC MCU 24K FLASH 8MHZ SPI 80LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LJ24CPK
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
48
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
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Part Number:
MC68HC908LJ24CPK
Manufacturer:
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Quantity:
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Part Number:
MC68HC908LJ24CPK
Manufacturer:
FRE/MOT
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20.6.2 Keyboard Interrupt Enable Register
MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
NOTE:
Address:
IMASKK — Keyboard Interrupt Mask Bit
MODEK — Keyboard Triggering Sensitivity Bit
The keyboard interrupt enable register individually enables or disables
the PTA0/KBI0–PTA3/KBI3 and PTD4/KBI4–PTD7/KBI7 pins to operate
as a keyboard interrupt pin.
KBIE7–KBIE0 — Keyboard Interrupt Enable Bits
KBI5–KBI0 pin has an internal pullup device when KBIEx is set.
KBI7–KBI6 pin does not have an internal pullup device.
Reset:
Read:
Write:
Writing a logic 1 to this read/write bit prevents the output of the
keyboard interrupt mask from generating interrupt requests. Reset
clears the IMASKK bit.
This read/write bit controls the triggering sensitivity of the keyboard
interrupt pins. Reset clears MODEK.
Each of these read/write bits enables the corresponding keyboard
interrupt pin to latch interrupt requests. Reset clears the keyboard
interrupt enable register.
Figure 20-4. Keyboard Interrupt Enable Register (KBIER)
1 = Keyboard interrupt requests masked
0 = Keyboard interrupt requests not masked
1 = Keyboard interrupt requests on falling edges and low levels
0 = Keyboard interrupt requests on falling edges only
1 = KBIx pin enabled as keyboard interrupt pin
0 = KBIx pin not enabled as keyboard interrupt pin
$001C
KBIE7
Bit 7
0
Keyboard Interrupt Module (KBI)
KBIE6
6
0
KBIE5
5
0
KBIE4
4
0
KBIE3
3
0
Keyboard Interrupt Module (KBI)
Keyboard Interrupt Registers
KBIE2
2
0
KBIE1
1
0
Data Sheet
KBIE0
Bit 0
0
413
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