MC68HC908LJ12CFU Freescale Semiconductor, MC68HC908LJ12CFU Datasheet - Page 224
MC68HC908LJ12CFU
Manufacturer Part Number
MC68HC908LJ12CFU
Description
IC MCU 12K FLASH 8MHZ 64-QFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC98LJ12CFUE.pdf
(414 pages)
Specifications of MC68HC908LJ12CFU
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
32
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Ram Size
512 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
64-QFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Available stocks
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Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LJ12CFU
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68HC908LJ12CFU
Manufacturer:
FRE/MOT
Quantity:
20 000
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Real Time Clock (RTC)
12.6.7 Hour Register (HRR)
12.6.8 Day Register (DAYR)
Technical Data
224
Address:
Address:
This read/write register contains the current value of the hour counter.
This register can be read at any time without affecting the counter count.
Writing to this register loads the value to the hour counter and the
counter continues to count from this new value.
The hour counter rolls over to 0 ($00) after reaching 23 ($17). Writing a
value other than 0 to 23 to this register has no effect.
This read/write register contains the current value of the day-of-month
counter. This register can be read at any time without affecting the
counter count. Writing to this register loads the value to the day counter
and the counter continues to count from this new value.
The day counter rolls over to 1 ($01) after reaching 28 ($1B), 29 ($1C),
30 ($1D), or 31 ($1E), depending on the value in the month and year
registers. Writing a value that is not valid for the month and year to this
register has no effect.
Reset:
Reset:
Read:
Write:
Read:
Write:
$004A
$0049
0
0
0
0
Real Time Clock (RTC)
= Unimplemented
= Unimplemented
Figure 12-11. Day Register (DAYR)
Figure 12-10. Hour Register (HRR)
0
0
0
0
0
0
0
0
DAY4
HR4
0
0
DAY3
HR3
0
0
MC68HC908LJ12
DAY2
HR2
Freescale Semiconductor
0
0
DAY1
HR1
0
0
—
Rev. 2.1
DAY0
HR0
0
1
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