MCHC908MR8VFAE Freescale Semiconductor, MCHC908MR8VFAE Datasheet - Page 330
MCHC908MR8VFAE
Manufacturer Part Number
MCHC908MR8VFAE
Description
IC MCU 8K FLASH 8MHZ PWM 32-LQFP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MCHC908MR8VFAE.pdf
(372 pages)
Specifications of MCHC908MR8VFAE
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Connectivity
SCI
Peripherals
LVD, POR, PWM
Number Of I /o
16
Program Memory Size
8KB (8K x 8)
Program Memory Type
FLASH
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Data Converters
A/D 7x10b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 105°C
Package / Case
32-LQFP
Processor Series
HC08MR
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
33
Number Of Timers
4
Maximum Operating Temperature
+ 105 C
Mounting Style
SMD/SMT
Development Tools By Supplier
FSICEBASE, M68CBL05CE
Minimum Operating Temperature
- 40 C
On-chip Adc
8 bit, 8 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Lead Free Status / Rohs Status
Details
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Price
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Break (BRK)
20.3 Features
20.4 Functional Description
20.4.1 Flag Protection During Break Interrupts
Technical Data
330
Features of the break module include:
When the internal address bus matches the value written in the break
address registers, the break module issues a breakpoint signal to the
CPU. The CPU then loads 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).
These 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 microcontroller unit
(MCU) to normal operation.
module.
The BCFE bit in the system integration module (SIM) break flag control
register (SBFCR) enables software to clear status bits during the break
state.
•
•
•
•
•
•
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 1 to the BRKA bit in the break status and
control register.
Break (BRK)
Figure 20-1
shows the structure of the break
MC68HC908MR8 — Rev 4.1
Freescale Semiconductor
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