M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 114
M30800SAGP-BL#U5
Manufacturer Part Number
M30800SAGP-BL#U5
Description
IC M32C/80 MCU ROMLESS 100LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M32C/80r
Datasheet
1.M30800SAGP-BLU5.pdf
(354 pages)
Specifications of M30800SAGP-BL#U5
Core Processor
M16C/80
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, WDT
Number Of I /o
45
Program Memory Type
ROMless
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 5.5 V
Data Converters
A/D 10x10b, D/A 2x8b
Oscillator Type
Internal
Operating Temperature
-20°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
-
Program Memory Size
-
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10.6.3 Interrupt Sequence
1
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The interrupt sequence is performed between an interrupt request acknowledgment and interrupt routine
execution.
When an interrupt request is generated while an instruction is executed, the CPU determines its interrupt
priority level after the instruction is completed. The CPU starts the interrupt sequence from the following
cycle. However, in regards to the SCMPU, SIN, SMOVB, SMOVF, SMOVU, SSTR, SOUT or RMPA
instruction, if an interrupt request is generated while executing the instruction, the microcomputer sus-
pends the instruction to start the interrupt sequence.
The interrupt sequence is performed as follows:
(1) The CPU obtains interrupt information (interrupt number and interrupt request level) by reading
(2) The FLG register, prior to an interrupt sequence, is saved to a temporary register
(3) Each bit in the FLG register is set as follows:
(4) A temporary register within the CPU is saved to the stack; or to the SVF register for the high-speed
(5) PC is saved to the stack; or to the SVP register for the high-speed interrupt.
(6) The interrupt priority level of the acknowledged interrupt is set in IPL .
(7) A relocatable vector corresponding to the acknowledged interrupt is stored into PC.
After the interrupt sequence is completed, an instruction is executed from the starting address of the
interrupt routine.
NOTE:
0
0
0
1. Temporary register cannot be modified by users.
2
7
G
N
address 000000
the interrupt information is set to "0" (interrupt requested).
interrupt.
1
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• The I flag is set to "0" (interrupt disabled)
• The D flag is set to "0" (single-step disabled)
• The U flag is set to "0" (ISP selected)
u
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0
p
0
, 1
0
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Page 93
16
(address 000002
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3
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16
for the high-speed interrupt). Then, the IR bit applicable to
(1)
within the CPU.
10. Interrupts
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