M306N5FCTFP#U0 Renesas Electronics America, M306N5FCTFP#U0 Datasheet - Page 367
M306N5FCTFP#U0
Manufacturer Part Number
M306N5FCTFP#U0
Description
IC M16C/6N MCU FLASH 128K 100QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/6Nr
Specifications of M306N5FCTFP#U0
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
CAN, I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
87
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
5K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-QFP
For Use With
R0K3306NKS001BE - KIT DEV RSK RSK-M16C/6NKR0K3306NKS000BE - KIT DEV RSK RSK-M16C/6NK
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M306N5FCTFP#U0M306N5FCTFP#UK
Manufacturer:
Renesas Electronics America
Quantity:
135
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M16C/6N Group (M16C/6N5)
Rev.2.40
REJ09B0011-0240
Figure 23.1 Procedure for Changing Interrupt Source
23.6.4 Changing Interrupt Source
23.6.5 INT Interrupt
If the interrupt source is changed, the IR bit in the interrupt control register for the changed interrupt may
inadvertently be set to 1 (interrupt requested). If you changed the interrupt source for an interrupt that
needs to be used, be sure to set the IR bit for that interrupt to 0 (interrupt not requested).
Changing the interrupt source referred to here means any act of changing the source, polarity or timing of
the interrupt assigned to each software interrupt number. Therefore, if a mode change of any peripheral
function involves changing the source, polarity or timing of an interrupt, be sure to set the IR bit for that
interrupt to 0 (interrupt not requested) after making such changes. Refer to the description of each peripheral
function for details about the interrupts from peripheral functions.
Figure 23.1 shows the Procedure for Changing Interrupt Source.
• Either an “L” level of at least tW(INH) or an “H” level of at least tW(INL) width is necessary for the signal
• If the POL bit in registers INT0IC to INT5IC or bits IFSR10 to IFSR17 in the IFSR1 register are changed,
input to pins INT0 to INT5 regardless of the CPU operation clock.
the IR bit may inadvertently set to 1 (interrupt requested). Be sure to set the IR bit to 0 (interrupt not
requested) after changing any of those register bits.
Apr 14, 2006
_____
IR bit: A bit in the interrupt control register for the interrupt whose interrupt
NOTES:
1.The above settings must be executed individually. Do not execute two or more settings
2.Use the I flag for the INTi interrupt (i = 0 to 5).
3.Refer to 23.6.6
simultaneously (using one instruction).
For the interrupts from peripheral functions other than the INTi interrupt, turn off the
peripheral function that is the interrupt source in order not to generate an interrupt request
before changing the interrupt source. In this case, if the maskable interrupts can all be
disabled without causing a problem, use the I flag. Otherwise, if it is not possible to disable
all maskable interrupts, use bits ILVL2 to ILVL0 of the interrupt whose
use and the notes to be taken for instruction execution.
________
changed
page 345 of 372
________
Rewrite Interrupt Control Register
(including a mode change of peripheral function)
Use the MOV instruction to set the IR bit to 0
Changing the interrupt source
Change the interrupt source
(interrupt not requested)
Disable interrupt
Enable interrupt
End of change
(2) (3)
(2) (3)
(3)
for details about the instructions to
source
source
is changed.
is to be
23. Usage Notes
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