MC908QY4ACDTER Freescale Semiconductor, MC908QY4ACDTER Datasheet - Page 84
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MC908QY4ACDTER
Manufacturer Part Number
MC908QY4ACDTER
Description
MCU 8BIT 4K FLASH W/ADC 16-TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QT1ACDWE.pdf
(200 pages)
Specifications of MC908QY4ACDTER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
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)
2.7 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-TSSOP
Processor Series
HC08QY
Core
HC08
Data Bus Width
8 bit
Data Ram Size
128 B
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
13
Number Of Timers
2
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05AE, DEMO908QB8, DEMO908QC16
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 6 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
Lead Free Status / Rohs Status
Details
- Current page: 84 of 200
- Download datasheet (2Mb)
Keyboard Interrupt Module (KBI)
9.3.1.1 MODEK = 1
If the MODEK bit is set, the keyboard interrupt inputs are both edge and level sensitive. The KBIPx bit will
determine whether a edge sensitive pin detects rising or falling edges and on level sensitive pins whether
the pin detects low or high levels. With MODEK set, both of the following actions must occur to clear a
keyboard interrupt request:
84
•
•
RST, IRQ: Pins have internal pull up device
All port pins have programmable pull up device
PTA[0:5]: Higher current sink and source capability
PTB[0:7]: Not available on 8-pin devices
Return of all enabled keyboard interrupt inputs to a deasserted level. As long as any enabled
keyboard interrupt pin is asserted, the keyboard interrupt remains active.
Vector fetch or software clear. A KBI vector fetch generates an interrupt acknowledge signal to
clear the KBI latch. Software generates the interrupt acknowledge signal by writing a 1 to ACKK in
KBSCR. The ACKK bit is useful in applications that poll the keyboard interrupt inputs and require
software to clear the KBI latch. Writing to ACKK prior to leaving an interrupt service routine can
also prevent spurious interrupts due to noise. Setting ACKK does not affect subsequent transitions
on the keyboard interrupt inputs. An edge detect that occurs after writing to ACKK latches another
interrupt request. If the keyboard interrupt mask bit, IMASKK, is clear, the CPU loads the program
counter with the KBI vector address.
PTA4/OSC2/AD2/KBI4
PTA5/OSC1/AD3/KBI5
PTA0/TCH0/AD0/KBI0
PTA1/TCH1/AD1/KBI1
PTA2/IRQ/KBI2/TCLK
PTA3/RST/KBI3
MC68HC908QY4A
POWER SUPPLY
PTB0/AD4
PTB1/AD5
128 BYTES
USER RAM
PTB2
PTB3
PTB4
PTB5
PTB6
PTB7
Figure 9-1. Block Diagram Highlighting KBI Block and Pins
MC68HC908QYA/QTA Family Data Sheet, Rev. 3
V
V
DD
SS
MC68HC908QY4A
M68HC08 CPU
USER FLASH
4096 BYTES
DEVELOPMENT SUPPORT
KEYBOARD INTERRUPT
SINGLE INTERRUPT
Freescale Semiconductor
2-CHANNEL 16-BIT
TIMER MODULE
AUTO WAKEUP
LOW-VOLTAGE
BREAK MODULE
MONITOR ROM
GENERATOR
6-CHANNEL
10-BIT ADC
MODULE
MODULE
MODULE
MODULE
CLOCK
INHIBIT
COP
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