MC908JL16CFJER Freescale Semiconductor, MC908JL16CFJER Datasheet - Page 179
MC908JL16CFJER
Manufacturer Part Number
MC908JL16CFJER
Description
IC MCU 8BIT 16K FLASH 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908JL16CFJER.pdf
(230 pages)
Specifications of MC908JL16CFJER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
I²C, SCI
Peripherals
LED, LVD, POR, PWM
Number Of I /o
26
Program Memory Size
16KB (16K x 8)
Program Memory Type
FLASH
Ram Size
512 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 13x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
32-LQFP
Controller Family/series
HC08
No. Of I/o's
26
Ram Memory Size
512Byte
Cpu Speed
8MHz
No. Of Timers
2
Digital Ic Case Style
LQFP
Rohs Compliant
Yes
Processor Series
HC08JL
Core
HC08
Data Bus Width
8 bit
Data Ram Size
512 B
Interface Type
SCI
Maximum Clock Frequency
8 MHz
Number Of Programmable I/os
26
Number Of Timers
4
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, DEMO908JL16E, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 13 Channel
For Use With
DEMO908JL16E - BOARD DEMO FOR MC908JL16
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
Other names
MC908JL16CFJERTR
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Price
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Chapter 16
Development Support
16.1 Introduction
This section describes the break module, the monitor read-only memory (MON), and the monitor mode
entry methods.
16.2 Break Module (BRK)
The break module can generate a break interrupt that stops normal program flow at a defined address to
enter a background program.
Features include:
16.2.1 Functional Description
When the internal address bus matches the value written in the break address registers, the break module
issues a breakpoint signal (BKPT) to the SIM. The SIM then causes the CPU to load the instruction
register with a software interrupt instruction (SWI) after completion of the current CPU instruction. The
program counter vectors to $FFFC and $FFFD ($FEFC and $FEFD in monitor mode).
The following events can cause a break interrupt to occur:
When a CPU generated address matches the contents of the break address registers, the break interrupt
begins after the CPU completes its current instruction. A return from interrupt instruction (RTI) in the break
routine ends the break interrupt and returns the MCU to normal operation.
Figure 16-1
Freescale Semiconductor
•
•
•
•
•
•
Accessible input/output (I/O) registers during the break Interrupt
Central processor unit (CPU) generated break interrupts
Software-generated break interrupts
Computer operating properly (COP) disabling during break interrupts
A CPU-generated address (the address in the program counter) matches the contents of the break
address registers.
Software writes a logic one to the BRKA bit in the break status and control register.
shows the structure of the break module.
MC68HC908JL16 Data Sheet, Rev. 1.1
179
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