MC68HC908LJ24CPB Freescale Semiconductor, MC68HC908LJ24CPB Datasheet - Page 239
MC68HC908LJ24CPB
Manufacturer Part Number
MC68HC908LJ24CPB
Description
IC MCU 24K FLASH 8MHZ SPI 64LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908LK24CFUE.pdf
(464 pages)
Specifications of MC68HC908LJ24CPB
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
40
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
64-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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MC68HC908LJ24/LK24 — Rev. 2.1
Freescale Semiconductor
NOTE:
NOTE:
TB1F — Timebase 1 Flag
Timebase 1 is not synchronized to the compensated RTC 1-Hz clock.
Hence, time intervals for timebase ticks may not align with the RTC clock
and calendar register updates.
TB2F — Timebase 2 Flag
Timebase 2 is not synchronized to the compensated RTC 1-Hz clock.
Hence, time intervals for timebase ticks may not align with the RTC clock
and calendar register updates.
This clearable, read-only bit is set on every tick of the timebase 1
counter (every 0.5 or 0.125 seconds). When the TB1IE bit in RTCCR1
is set, TB1F generates a CPU interrupt request. In normal operation,
clear the TB1F bit by reading RTCSR with TB1F set and then reading
the chronograph data register (CHRR). Reset clears TB1F.
This clearable, read-only bit is set on every tick of the timebase 2
counter (every 0.25 or 0.0625 seconds). When the TB2IE bit in
RTCCR1 is set, TB2F generates a CPU interrupt request. In normal
operation, clear the TB2F bit by reading RTCSR with TB2F set and
then reading the chronograph register (CHRR). Reset clears TB2F.
1 = A timebase 1 tick has occurred
0 = No timebase 1 tick has occurred
1 = A timebase 2 tick has occurred
0 = No timebase 2 tick has occurred
Real Time Clock (RTC)
Real Time Clock (RTC)
RTC Registers
Data Sheet
239
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