MC68HRC98JK3ECDW Freescale Semiconductor, MC68HRC98JK3ECDW Datasheet - Page 120
![IC MCU 4K FLASH 8MHZ 20-SOIC](/photos/6/50/65027/375-20-soic_sml.jpg)
MC68HRC98JK3ECDW
Manufacturer Part Number
MC68HRC98JK3ECDW
Description
IC MCU 4K FLASH 8MHZ 20-SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JK1ECDWE.pdf
(180 pages)
Specifications of MC68HRC98JK3ECDW
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-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Connectivity
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HRC98JK3ECDW
Manufacturer:
MOTOROLA
Quantity:
2 880
Part Number:
MC68HRC98JK3ECDW
Manufacturer:
MOTOROLA/摩托罗拉
Quantity:
20 000
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Keyboard Interrupt Module (KBI)
12.5.1 Keyboard Status and Control Register
KEYF — Keyboard Flag Bit
ACKK — Keyboard Acknowledge Bit
IMASKK— Keyboard Interrupt Mask Bit
MODEK — Keyboard Triggering Sensitivity Bit
120
•
•
•
•
This read-only bit is set when a keyboard interrupt is pending on port-A. Reset clears the KEYF bit.
Writing a 1 to this write-only bit clears the keyboard interrupt request on port-A. ACKK always reads
as 0. Reset clears ACKK.
Writing a 1 to this read/write bit prevents the output of the keyboard interrupt mask from generating
interrupt requests on port-A. Reset clears the IMASKK bit.
This read/write bit controls the triggering sensitivity of the keyboard interrupt pins on port-A. Reset
clears MODEK.
1 = Keyboard interrupt pending
0 = No keyboard interrupt pending
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
Flags keyboard interrupt requests
Acknowledges keyboard interrupt requests
Masks keyboard interrupt requests
Controls keyboard interrupt triggering sensitivity
Address:
Reset:
Read:
Write:
Figure 12-3. Keyboard Status and Control Register (KBSCR)
$001A
Bit 7
0
0
= Unimplemented
MC68HC908JL3E Family Data Sheet, Rev. 4
6
0
0
5
0
0
4
0
0
KEYF
3
0
ACKK
2
0
0
IMASKK
1
0
Freescale Semiconductor
MODEK
Bit 0
0
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