MC908QY2CDTER Freescale Semiconductor, MC908QY2CDTER Datasheet - Page 133
MC908QY2CDTER
Manufacturer Part Number
MC908QY2CDTER
Description
IC MCU 8BIT 1.5K FLASH 16TSSOP
Manufacturer
Freescale Semiconductor
Series
HC08r
Datasheet
1.MC908QY4MDWER.pdf
(184 pages)
Specifications of MC908QY2CDTER
Core Processor
HC08
Core Size
8-Bit
Speed
8MHz
Peripherals
LVD, POR, PWM
Number Of I /o
13
Program Memory Size
1.5KB (1.5K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 4x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
16-TSSOP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Connectivity
-
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Chapter 15
Development Support
15.1 Introduction
This section describes the break module, the monitor read-only memory (MON), and the monitor mode
entry methods.
15.2 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:
15.2.1 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 system integration module (SIM). The SIM then causes the CPU
to load the instruction register with a software interrupt instruction (SWI). 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
is generated. A return-from-interrupt instruction (RTI) in the break routine ends the break interrupt and
returns the microcontroller unit (MCU) to normal operation.
Figure 15-2
Freescale Semiconductor
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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 1 to the BRKA bit in the break status and control register.
shows the structure of the break module.
MC68HC908QY/QT Family Data Sheet, Rev. 6
133
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