MC68HC908LJ24CPK Freescale Semiconductor, MC68HC908LJ24CPK Datasheet - Page 222
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
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC68HC908LJ24CPK
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC68HC908LJ24CPK
Manufacturer:
FRE/MOT
Quantity:
20 000
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Real Time Clock (RTC)
Data Sheet
222
(32.768kHz)
CGMXCLK
CALOUT
CALIN
REFERENCE
1Hz
1/100 SECONDS
÷ 256
CHRONOGRAPH DATA REGISTER
÷ 2
ALARM MINUTE REGISTER
ALARM HOUR REGISTER
COMPENSATION CIRCUIT
CLOCK CALIBRATION
COMPARATOR
COMPARATOR
÷ 2
×
AND
25
32
Figure 12-2. RTC Block Diagram
+
16
32
÷ 2
Real Time Clock (RTC)
÷ 2
1Hz
DAY-OF-WEEK COUNTER REGISTER
CHRE
SECOND COUNTER REGISTER
MINUTE COUNTER REGISTER
MONTH COUNTER REGISTER
HOUR COUNTER REGISTER
÷ 2
YEAR COUNTER REGISTER
CHRONOGRAPH COUNTER
DAY COUNTER REGISTER
128 Hz
TO CLOCK
COUNTERS
CHRCLR
÷ 2
16Hz
2Hz
4Hz
8Hz
FROM CLOCK
COMPENSATION CIRCUIT
1Hz
MC68HC908LJ24/LK24 — Rev. 2.1
X
Y
X
Y
A
A
B
B
TBH
SL
X
Y
TBH = 0 => X,Y = A
TBH = 1 => X,Y = B
SECIE
ALMIE
DAYIE
Freescale Semiconductor
SECF
MINIE
ALMF
DAYF
MINF
HRIE
HRF
CHRIE
TB1IE
TB2IE
CHRF
TB1F
TB2F
INTERRUPT
LOGIC
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