M30625FGPGP#U5C Renesas Electronics America, M30625FGPGP#U5C Datasheet - Page 271
M30625FGPGP#U5C
Manufacturer Part Number
M30625FGPGP#U5C
Description
IC M16C MCU FLASH 256K 128LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Datasheets
1.QSK-62P_PLUS.pdf
(103 pages)
2.M30622SAFPU5.pdf
(308 pages)
3.M30620SPGPU3C.pdf
(423 pages)
Specifications of M30625FGPGP#U5C
Core Processor
M16C/60
Core Size
16-Bit
Speed
24MHz
Connectivity
I²C, IEBus, UART/USART
Peripherals
DMA, WDT
Number Of I /o
111
Program Memory Size
256KB (256K x 8)
Program Memory Type
FLASH
Ram Size
20K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 26x10b; D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
128-LQFP
For Use With
867-1000 - KIT QUICK START RENESAS 62PR0K33062PS001BE - R0K33062P STARTER KITR0K33062PS000BE - KIT EVAL STARTER FOR M16C/62PM3062PT3-CPE-3 - EMULATOR COMPACT M16C/62P/30P
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Chapter 5
5.2.4 Rewrite the Interrupt Control Register
(1) The interrupt control register for any interrupt should be modified in places where no requests for that
(2) To rewrite the interrupt control register for any interrupt after disabling that interrupt, be careful with the
(3) When using the I flag to disable an interrupt, refer to the sample program fragments shown below as
Examples 1 through 3 show how to prevent the I flag from being set to “1” (interrupts enabled) before the
interrupt control register is rewrited, owing to the effects of the internal bus and the instruction queue
buffer.
Changing any bit other than the IR bit
Changing the IR bit
Example 1:Using the NOP instruction to keep the program waiting until
Example 2:Using the dummy read to keep the FSET instruction waiting
Example 3:Using the POPC instruction to changing the I flag
If while executing an instruction, a request for an interrupt controlled by the register being modified
occurs, the IR bit in the register may not be set to “1” (interrupt requested), with the result that the
interrupt request is ignored. If such a situation presents a problem, use the instructions shown below
to modify the register.
Usable instructions: AND, OR, BCLR, BSET
Depending on the instruction used, the IR bit may not always be cleared to “0” (interrupt not re-
quested). Therefore, be sure to use the MOV instruction to clear the IR bit.
interrupt may occur. Otherwise, disable the interrupt before rewriting the interrupt control register.
instruction to be used.
you set the I flag. (Refer to (2) for details about rewrite the interrupt control registers in the sample
program fragments.)
INT_SWITCH1:
INT_SWITCH2:
INT_SWITCH3:
FCLR
AND.B
NOP
NOP
FSET
FCLR
AND.B
MOV.W
FSET
PUSHC
FCLR
AND.B
POPC
Interrupt
the interrupt control register is modified
I
#00h, 0055h
I
I
#00h, 0055h
MEM, R0
I
FLG
I
#00h, 0055h
FLG
; Disable interrupts.
; Set the TA0IC register to “00
; Four NOP instructions are required when using HOLD function.
; Refer to hardware manual about the number of NOP
; instruction
; Enable interrupts.
; Disable interrupts.
; Set the TA0IC register to “00
; Dummy read.
; Enable interrupts.
; Disable interrupts.
; Set the TA0IC register to “00
; Enable interrupts.
253
16
”.
16
16
”.
”.
5.2 Interrupt Control
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