MC68HC908BD48IFB Freescale Semiconductor, MC68HC908BD48IFB Datasheet - Page 256
MC68HC908BD48IFB
Manufacturer Part Number
MC68HC908BD48IFB
Description
IC MCU 48K FLASH 6MHZ USB 44PQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908BD48IBE.pdf
(288 pages)
Specifications of MC68HC908BD48IFB
Core Processor
HC08
Core Size
8-Bit
Speed
6MHz
Connectivity
I²C, USB
Peripherals
POR, PWM
Number Of I /o
32
Program Memory Size
48KB (48K x 8)
Program Memory Type
FLASH
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 6x8b
Oscillator Type
Internal
Operating Temperature
0°C ~ 85°C
Package / Case
44-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908BD48IFB
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
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External Interrupt (IRQ)
Data Sheet
256
Address:
IRQF — IRQ Flag Bit
ACK — IRQ Interrupt Request Acknowledge Bit
IMASK — IRQ Interrupt Mask Bit
MODE — IRQ Edge/Level Select Bit
Reset:
Read:
Write:
This read-only status bit is high when the IRQ interrupt is pending.
Writing a logic 1 to this write-only bit clears the IRQ latch. ACK always
reads as logic 0. Reset clears ACK.
Writing a logic 1 to this read/write bit disables IRQ interrupt requests.
Reset clears IMASK.
This read/write bit controls the triggering sensitivity of the IRQ pin.
Reset clears MODE.
Figure 18-2. IRQ Status and Control Register (INTSCR)
1 = IRQ interrupt pending
0 = IRQ interrupt not pending
1 = IRQ interrupt requests disabled
0 = IRQ interrupt requests enabled
1 = IRQ interrupt requests on falling edges and low levels
0 = IRQ interrupt requests on falling edges only
$001E
Bit 7
0
External Interrupt (IRQ)
= Unimplemented
6
0
5
0
4
0
IRQF
3
0
MC68HC908BD48
ACK
Freescale Semiconductor
2
0
0
IMASK
1
0
—
Rev. 2.1
MODE
Bit 0
0
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