M30620FCAFP#D3 Renesas Electronics America, M30620FCAFP#D3 Datasheet - Page 85
![IC M16C MCU FLASH 128K 100LQFP](/photos/28/61/286112/100-bqfp__prqp0100jb-a_sml.jpg)
M30620FCAFP#D3
Manufacturer Part Number
M30620FCAFP#D3
Description
IC M16C MCU FLASH 128K 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Specifications of M30620FCAFP#D3
Core Processor
M16C/60
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.2 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
100-LQFP
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
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Precautions for Interrupts
1-64
Precautions for Interrupts
(1) Reading address 00000
(2) Setting the stack pointer
(3) The NMI interrupt
(4) External interrupt
• When maskable interrupt is occurred, CPU reads the interrupt information (the interrupt number and
• The value of the stack pointer immediately after reset is initialized to 0000
•The NMI interrupt can not be disabled. Be sure to connect NMI pin to Vcc via a pull-up resistor if
• The NMI pin also serves as P8
• Do not reset the CPU with the input to the NMI pin being in the “L” state.
• Do not attempt to go into stop mode with the input to the NMI pin being in the “L” state. With the input to
• Do not attempt to go into wait mode with the input to the NMI pin being in the “L” state. With the input to
• Signals input to the NMI pin require an “L” level of 1 clock or more, from the operation clock of the CPU.
• Either an “L” level or an “H” level of at least 250 ns width is necessary for the signal input to pins INT
• When the polarity of the INT
interrupt request level) in the interrupt sequence.
The interrupt request bit of the certain interrupt written in address 00000
Even if the address 00000
source request bit. Therefore interrupt can be canceled and unexpected interrupt can occur.
Do not read address 00000
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. Concerning the first instruction immediately after reset, generat-
ing any interrupts including the NMI interrupt is prohibited.
unused. Be sure to work on it.
allows reading the pin value. Use the reading of this pin only for establishing the pin level at the time
when the NMI interrupt is input.
the NMI being in the “L” state, the CM10 is fixed to “0”, so attempting to go into stop mode is turned
down.
the NMI pin being in the “L” state, the CPU stops but the oscillation does not stop, so no power is saved.
In this instance, the CPU is returned to the normal state by a later interrupt.
through INT
After changing the polarity, set the interrupt request bit to “0”. Figure 1.11.13 shows the procedure for
changing the INT interrupt generate factor.
_______
_______
_______
_______
_______
________
_______
5
regardless of the CPU operation clock.
______
_______
________
16
16
0
is read out by software, “0” is set to the enabled highest priority interrupt
to INT
by software.
16
_______
5
________
, which is exclusively input. Reading the contents of the P8 register
5
pins is changed, the interrupt request bit is sometimes set to “1”.
_______
_______
_______
_______
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
_______
16
will then be set to “0”.
16
. Accepting an interrupt
M16C / 62A Group
Mitsubishi microcomputers
________
0
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