DF3048BVX25V Renesas Electronics America, DF3048BVX25V Datasheet - Page 150
DF3048BVX25V
Manufacturer Part Number
DF3048BVX25V
Description
MCU 3/5V 128K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
H8® H8/300Hr
Specifications of DF3048BVX25V
Core Processor
H8/300H
Core Size
16-Bit
Speed
25MHz
Connectivity
SCI, SmartCard
Peripherals
DMA, PWM, WDT
Number Of I /o
70
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
4K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 5 Interrupt Controller
3. This chip has a break function to implement on-board emulation for specific customers. To use
Incorrect NMI Operation Factors: Abnormal Interrupts Input to the Chip Pins
If an abnormal interrupt which was not specified in the electrical characteristics is input to a pin
during a chip operation, the chip may be destroyed. In this case, the operation of the chip will not
be guaranteed.
When an abnormal interrupt has been input to a pin, the chip may not be destroyed; however, the
internal circuits of the chip may partially or wholly malfunction, and the CPU may enter an
unimagined undefined state when the CPU was designed. If this occurs, it will be impossible to
control the operation of the chip by external pins other than the external reset and standby pins,
and the operation of the NMI will not be guaranteed. In this case, after some specified signals have
been input to the pins, input an external reset so that the chip can enter the normal program
execution state again.
Rev. 3.00 Sep 27, 2006 page 122 of 872
REJ09B0325-0300
this break function, execute the BRK instruction (H'5770). Note that the BRK instruction is
usually undefined. Therefore, if the CPU accidentally executes the instruction, the chip will
perform exceptional processing and will enter the break mode. In the break mode, interrupts
including the NMI are inhibited and the count of the watch dog timer will be stopped. Then by
executing the RTB (H'56F0) instruction, the break mode will be cancelled, and usual program
execution will resume. When the execution is reset during break mode, the CPU enters the
reset state and the break mode is cancelled. Once the reset has been cancelled, normal program
execution will resume after the reset exception processing has been executed.
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