MC908QY1ACDTER Freescale Semiconductor, MC908QY1ACDTER Datasheet - Page 54
MC908QY1ACDTER
Manufacturer Part Number
MC908QY1ACDTER
Description
IC MCU 8BIT 1.5K FLASH 16TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QT1ACDWE.pdf
(200 pages)
Specifications of MC908QY1ACDTER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
1.5KB (1.5K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Connectivity
-
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Auto Wakeup Module (AWU)
4.6.2 Keyboard Status and Control Register
The keyboard status and control register (KBSCR):
Bits 7–4 — Not used
KEYF — Keyboard Flag Bit
ACKK — Keyboard Acknowledge Bit
IMASKK— Keyboard Interrupt Mask Bit
4.6.3 Keyboard Interrupt Enable Register
The keyboard interrupt enable register (KBIER) enables or disables the auto wakeup to operate as a
keyboard/auto wakeup interrupt input.
54
•
•
•
These read-only bits always read as 0s.
This read-only bit is set when a keyboard interrupt is pending on port A or auto wakeup. Reset clears
the KEYF bit.
Writing a 1 to this write-only bit clears the keyboard/auto wakeup interrupt request on port A and auto
wakeup logic. 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 or auto wakeup. Reset clears the IMASKK bit.
1 = Keyboard/auto wakeup interrupt pending
0 = No keyboard/auto wakeup interrupt pending
1 = Keyboard/auto wakeup interrupt requests masked
0 = Keyboard/auto wakeup interrupt requests not masked
Flags keyboard/auto wakeup interrupt requests
Acknowledges keyboard/auto wakeup interrupt requests
Masks keyboard/auto wakeup interrupt requests
Reset:
Reset:
Read:
Write:
Read:
Write:
MODEK is not used in conjuction with the auto wakeup feature. To see a
description of this bit, see
(KBSCR).
Figure 4-3. Keyboard Status and Control Register (KBSCR)
Bit 7
Bit 7
Figure 4-4. Keyboard Interrupt Enable Register (KBIER)
0
0
0
0
= Unimplemented
= Unimplemented
AWUIE
MC68HC908QYA/QTA Family Data Sheet, Rev. 3
6
0
0
6
0
KBIE5
9.8.1 Keyboard Status and Control Register
5
0
0
5
0
KBIE4
NOTE
0
0
0
4
4
KBIE3
KEYF
3
0
3
0
KBIE2
ACKK
2
0
0
2
0
IMASKK
KBIE1
1
0
1
0
Freescale Semiconductor
MODEK
KBIE0
Bit 0
Bit 0
0
0
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