MC68HC908LJ24CPK Freescale Semiconductor, MC68HC908LJ24CPK Datasheet - Page 392
MC68HC908LJ24CPK
Manufacturer Part Number
MC68HC908LJ24CPK
Description
IC MCU 24K FLASH 8MHZ SPI 80LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LJ24CPK
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
48
Program Memory Size
24KB (24K x 8)
Program Memory Type
FLASH
Ram Size
768 x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 6x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
80-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LJ24CPK
Manufacturer:
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Quantity:
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Part Number:
MC68HC908LJ24CPK
Manufacturer:
FRE/MOT
Quantity:
20 000
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Input/Output (I/O) Ports
18.6.2 Data Direction Register D (DDRD)
Data Sheet
392
NOTE:
Address:
Data direction register D determines whether each port D pin is an input
or an output. Writing a logic 1 to a DDRD bit enables the output buffer for
the corresponding port D pin; a logic 0 disables the output buffer.
DDRD[7:0] — Data Direction Register D Bits
Avoid glitches on port D pins by writing to the port D data register before
changing data direction register D bits from 0 to 1.
the port D I/O logic.
Reset:
Read:
Write:
These read/write bits control port D data direction. Reset clears
DDRD[7:0], configuring all port D pins as inputs.
1 = Corresponding port D pin configured as output
0 = Corresponding port D pin configured as input
DDRD7
READ DDRD ($0007)
WRITE DDRD ($0007)
WRITE PTD ($0003)
READ PTD ($0003)
$0007
Bit 7
Figure 18-14. Data Direction Register D (DDRD)
0
Input/Output (I/O) Ports
DDRD6
6
0
Figure 18-15. Port D I/O Circuit
RESET
DDRD5
5
0
DDRD4
DDRDx
PTDx
4
0
DDRD3
MC68HC908LJ24/LK24 — Rev. 2.1
3
0
DDRD2
Freescale Semiconductor
Figure 18-15
2
0
DDRD1
1
0
shows
DDRD0
Bit 0
0
PTDx
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