MC68HC908JB16JDW Freescale Semiconductor, MC68HC908JB16JDW Datasheet - Page 294
![IC MCU 16K FLASH 6MHZ USB 20SOIC](/photos/6/50/65027/375-20-soic_sml.jpg)
MC68HC908JB16JDW
Manufacturer Part Number
MC68HC908JB16JDW
Description
IC MCU 16K FLASH 6MHZ USB 20SOIC
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JB16DWE.pdf
(332 pages)
Specifications of MC68HC908JB16JDW
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
SCI, USB
Peripherals
LED, LVD, POR, PWM
Number Of I /o
13
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
20-SOIC (7.5mm Width)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
MC68HC908JB16JDWE
Manufacturer:
FREESCALE
Quantity:
20 000
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Keyboard Interrupt Module (KBI)
16.7.1 Keyboard Status and Control Register
Technical Data
294
Address:
KEYF — Keyboard Flag Bit
ACKK — Keyboard Acknowledge Bit
IMASKK — Keyboard Interrupt Mask Bit
MODEK — Keyboard Triggering Sensitivity Bit
Reset:
Read:
Write:
Figure 16-3. Keyboard Status and Control Register (KBSCR)
•
•
•
•
This read-only bit is set when a keyboard interrupt is pending. Reset
clears the KEYF bit.
Writing a logic 1 to this write-only bit clears the keyboard interrupt
request. ACKK always reads as logic 0. Reset clears ACKK.
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.
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
$0016
Bit 7
0
0
Keyboard Interrupt Module (KBI)
= Unimplemented
6
0
0
5
0
0
4
0
0
KEYF
3
0
MC68HC908JB16
ACKK
Freescale Semiconductor
2
0
0
IMASKK
1
0
—
MODEK
Rev. 1.1
Bit 0
0
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