MC908LJ12CFBE Freescale Semiconductor, MC908LJ12CFBE Datasheet - Page 142
![IC MCU 12K FLASH 8MHZ 52-LQFP](/photos/12/35/123587/mc908lj12cfbe_sml.jpg)
MC908LJ12CFBE
Manufacturer Part Number
MC908LJ12CFBE
Description
IC MCU 12K FLASH 8MHZ 52-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC68HC98LJ12CFUE.pdf
(414 pages)
Specifications of MC908LJ12CFBE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
IRSCI, SPI
Peripherals
LCD, LVD, POR, PWM
Number Of I /o
20
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 4x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
52-LQFP
Processor Series
HC08LJ
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI/SPI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
32
Number Of Timers
4
Operating Supply Voltage
3.3 V, 5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68EML08LJLKE, ZK-HC08LX-A, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
6-ch x 10-bit
Controller Family/series
HC08
No. Of I/o's
20
Ram Memory Size
512Byte
Cpu Speed
8MHz
No. Of Timers
2
Embedded Interface Type
SCI, SPI
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
Freescale Semiconductor
Quantity:
135
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
SANYO
Quantity:
650
Company:
Part Number:
MC908LJ12CFBE
Manufacturer:
Freescale Semiconductor
Quantity:
10 000
Part Number:
MC908LJ12CFBE
Manufacturer:
FREESCALE
Quantity:
20 000
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System Integration Module (SIM)
9.6 Exception Control
9.6.1 Interrupts
Technical Data
142
INTERRUPT
INTERRUPT
MODULE
MODULE
I-BIT
I-BIT
R/W
R/W
IAB
IDB
IAB
IDB
DUMMY
DUMMY
Normal, sequential program execution can be changed in three different
ways:
At the beginning of an interrupt, the CPU saves the CPU register
contents on the stack and sets the interrupt mask (I bit) to prevent
additional interrupts. At the end of an interrupt, the RTI instruction
recovers the CPU register contents from the stack so that normal
processing can resume.
Figure 9-9
SP – 4
•
•
•
SP
Figure 9-9. Interrupt Recovery Timing
PC – 1[7:0] PC – 1[15:8]
Figure 9-8. Interrupt Entry Timing
Interrupts:
– Maskable hardware CPU interrupts
– Non-maskable software interrupt instruction (SWI)
Reset
Break interrupts
CCR
SP – 1
SP – 3
System Integration Module (SIM)
shows interrupt recovery timing.
A
SP – 2
SP – 2
X
X
Figure 9-8
SP – 3
SP – 1
PC – 1[15:8] PC – 1[7:0]
A
SP – 4
SP
shows interrupt entry timing, and
CCR
VECT H
PC
V DATA H
OPCODE
VECT L
PC + 1
MC68HC908LJ12
OPERAND
V DATA L
Freescale Semiconductor
START ADDR
OPCODE
—
Rev. 2.1
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