MC908QL4MDTE Freescale Semiconductor, MC908QL4MDTE Datasheet - Page 94
![IC MCU 8BIT 4K FLASH 16-TSSOP](/photos/12/45/124588/mc908ql4mdte_sml.jpg)
MC908QL4MDTE
Manufacturer Part Number
MC908QL4MDTE
Description
IC MCU 8BIT 4K FLASH 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QL3VDTE.pdf
(226 pages)
Specifications of MC908QL4MDTE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
LIN (Local Interconnect Network)
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 125°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Keyboard Interrupt Module (KBI)
9.8.1 Keyboard Status and Control Register (KBSCR)
Features of the KBSCR:
Bits 7–4 — Not used
KEYF — Keyboard Flag Bit
ACKK — Keyboard Acknowledge Bit
IMASKK— Keyboard Interrupt Mask Bit
MODEK — Keyboard Triggering Sensitivity Bit
94
•
•
•
•
This read-only bit is set when a keyboard interrupt is pending.
Writing a 1 to this write-only bit clears the KBI request. ACKK always reads 0.
Writing a 1 to this read/write bit prevents the output of the KBI latch from generating interrupt requests.
This read/write bit controls the triggering sensitivity of the keyboard interrupt pins.
1 = Keyboard interrupt pending
0 = No keyboard interrupt pending
1 = Keyboard interrupt requests disabled
0 = Keyboard interrupt requests enabled
1 = Keyboard interrupt requests on edge and level
0 = Keyboard interrupt requests on edge only
Flags keyboard interrupt requests
Acknowledges keyboard interrupt requests
Masks keyboard interrupt requests
Controls keyboard interrupt triggering sensitivity
Reset:
Read:
Write:
Figure 9-3. Keyboard Status and Control Register (KBSCR)
Bit 7
0
0
= Unimplemented
6
0
0
MC68HC908QL4 Data Sheet, Rev. 8
5
0
0
0
4
0
KEYF
3
0
ACKK
2
0
0
IMASKK
1
0
Freescale Semiconductor
MODEK
Bit 0
0
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