M30853FJGP#U3 Renesas Electronics America, M30853FJGP#U3 Datasheet - Page 338

• Manufacturer Part Number: M30853FJGP#U3
• Description: IC M32C MCU FLASH 100LQFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M32C/80r

Specifications of M30853FJGP#U3

• Core Processor: M32C/80
• Core Size: 16/32-Bit
• Speed: 32MHz
• Connectivity: CAN, I²C, IEBus, SIO, UART/USART
• Peripherals: DMA, WDT
• Number Of I /o: 85
• Program Memory Size: 512KB (512K x 8)
• Program Memory Type: FLASH
• Ram Size: 24K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 26x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 100-LQFP
• For Use With: R0K330879S001BE - KIT DEV RSK M32C/87R0K330879S000BE - KIT DEV RSK M32C/87
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

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5.7 Precautions for Interrupts
5.8 Exit from Stop Mode and Wait Mode
e
E
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Chapter 5
When using an peripheral I/O interrupt to exit stop mode or wait mode, the relevant interrupt must have been
enabled and set to a priority level above the level set by the interrupt priority set bits for exiting a stop/wait
state. Set the interrupt priority set bits for exiting a stop/wait state to the same level as the processor interrupt
level (IPL) of flag register (FLG).
RESET and NMI interrupt are independent of the interrupt priority set bits for exiting a stop/wait state, and
stop/wait state is exited.
1 .
0
(1) Reading addresses 000000
(2) Setting the stack pointer
(3) Rewrite the interrupt control register
9
0 .
B
• When maskable interrupt is occurred, CPU read the interrupt information (the interrupt number and
• The value of the stack pointer immediately after reset is initialized to 000000
• When a instruction to rewrite the interrupt control register is executed but the interrupt is disabled, the
0
0
The interrupt request bit of the certain interrupt will then be set to “0”.
However, reading addresses 000000
interrupt request level) in the interrupt sequence from address 000000
is occurred, CPU read from address 000002
before setting a value in the stack pointer may become a factor of runaway. Be sure to set a value in
the stack pointer before accepting an interrupt. When using the NMI interrupt, initialize the stack
pointer at the beginning of a program. Any interrupt including the NMI interrupt is generated immedi-
ately after executing the first instruction after reset. Set an even number to the stack pointer. When an
even number is set, execution efficiency is increased.
interrupt request bit is not set sometimes even if the interrupt request for that register has been gener-
ated. This will depend on the instruction. If this creates problems, use the below instructions to change
the register.
3
1
2
9
0
0 -
Instructions : AND, OR, BCLR, BSET
0
6
1
0 .
0
_______
0
5
3 .
Interrupt
1
p
a
g
e
320
f o
3
3
5
16
16
and 000002
and 000002
16
.
16
16
by software does not set request bit to “0”.
_______
_______
16
. When high-speed interrupt
5.7 Precautions for Interrupts
16
. Accepting an interrupt