M30622SAFP#U5 Renesas Electronics America, M30622SAFP#U5 Datasheet - Page 67
M30622SAFP#U5
Manufacturer Part Number
M30622SAFP#U5
Description
IC M16C MPU ROMLESS 100QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Datasheets
1.QSK-62P_PLUS.pdf
(103 pages)
2.M30622SAFPU5.pdf
(277 pages)
3.M30622SAFPU5.pdf
(617 pages)
4.M30622SAFPU5.pdf
(308 pages)
Specifications of M30622SAFP#U5
Core Processor
M16C/60
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
50
Program Memory Type
ROMless
Ram Size
3K 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
-20°C ~ 85°C
Package / Case
100-QFP
For Use With
867-1000 - KIT QUICK START RENESAS 62PM3062PT3-CPE-3 - EMULATOR COMPACT M16C/62P/30P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Program Memory Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
- QSK-62P_PLUS PDF datasheet
- M30622SAFPU5 PDF datasheet #2
- M30622SAFPU5 PDF datasheet #3
- M30622SAFPU5 PDF datasheet #4
- Current page: 67 of 277
- Download datasheet (4Mb)
Precautions for Interrupts
64
Figure 1.11.13. Switching condition of INT interrupt request
(5) Rewrite the interrupt control register
• To rewrite the interrupt control register, do so at a point that does not generate the interrupt request for
• When a instruction to rewrite the interrupt control register is executed but the interrupt is disabled, the
that register. If there is possibility of the interrupt request occur, rewrite the interrupt control register after
the interrupt is disabled. The program examples are described as follow:
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.
Instructions : AND, OR, BCLR, BSET
Example 1:
Example 2:
Example 3:
The reason why two NOP instructions (four when using the HOLD function) or dummy read are inserted
before FSET I in Examples 1 and 2 is to prevent the interrupt enable flag I from being set before the
interrupt control register is rewritten due to effects of the instruction queue.
INT_SWITCH1:
INT_SWITCH2:
INT_SWITCH3:
FCLR
AND.B
NOP
NOP
FSET
FCLR
AND.B
MOV.W MEM, R0
FSET
PUSHC FLG
FCLR
AND.B
POPC
I
#00h, 0055h ; Clear TA0IC int. priority level and int. request bit.
I
I
#00h, 0055h ; Clear TA0IC int. priority level and int. request bit.
I
I
#00h, 0055h ; Clear TA0IC int. priority level and int. request bit.
FLG
; Disable interrupts.
; Four NOP instructions are required when using HOLD function.
; Enable interrupts.
; Disable interrupts.
; Dummy read.
; Enable interrupts.
; Push Flag register onto stack
; Disable interrupts.
; Enable interrupts.
Note: Execute the setting above individually. Don't execute two or
(Enable the accepting of INTi interrupt request)
Set the interrupt priority level to level 1 to 7
more settings at once(by one instruction).
Set the interrupt priority level to level 0
Clear the interrupt enable flag to “0”
Clear the interrupt request bit to “0”
______
Set the interrupt enable flag to “1”
Set the polarity select bit
(Disable INT
(Disable interrupt)
(Enable interrupt)
i
interrupt)
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
M16C / 62A Group
Mitsubishi microcomputers
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