M30800SAGP-BL#U5 Renesas Electronics America, M30800SAGP-BL#U5 Datasheet - Page 336
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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3
24.6 Interrupts
. v
J
2
Figure 24.3 Switching Procedure for INT Interrupt
0
C
24.6.1 ISP Setting
24.6.2 NMI Interrupt
24.6.3 INT Interrupt
1
9
8 /
0 .
B
After reset, the ISP is set to "000000
before the ISP is set. Therefore, the ISP must be set before an interrupt request is generated. Set the ISP
to an even address, which allows interrupt sequences to be executed at a higher speed.
To use NMI interrupt, set the ISP at the beginning of the program. The NMI interrupt can be acknowl-
edged after the first instruction has been executed after reset.
• NMI interrupt cannot be denied. Connect the NMI pin to V
• The P8_5 bit in the P8 register indicates the NMI pin value. Read the P8_5 bit only to determine the pin
• "H" and "L" signals applied to the NMI pin must be over 2 CPU clock cycles + 300 ns wide.
• NMI interrupt request may not be acknowledged if this and other interrupt requests are generated
• Edge Sensitive
• Level Sensitive
• The IR bit setting may change to "1" (interrupt requested) when switching the polarity of the INT0 to INT5
0
0
0
_______
level after a NMI interrupt occurs.
simultaneously.
pins. Set the IR bit to "0" (no interrupt requested) after selecting the polarity. Figure 24.3 shows an
example of the switching procedure for the INT interrupt.
_______
clock.
"H" and "L" signals applied to the INT0 to INT5 pins must be at least 250 ns wide, regardless of the CPU
"H" and "L" signals applied to the INT0 to INT5 pins must be at least 1 CPU clock cycle + 200 ns wide.
2
For example, "H" and "L" must be at least 234ns wide if X
G
7
N
1
o r
o
0 -
. v
u
_______
______
1
_______
p
0
0
, 1
0
2
0
_______
0
5
Page 315
Set the ILVL2 to ILVL0 bits to "001
to "111
(INT interrupt request acknowledgement enabled)
f o
Set the ILVL2 to ILVL0 bits in the INTiIC
register (i = 0 to 5) to "000
Set the IR bit in the INTiIC register to "0"
3
3
Set the POL bit in the INTiIC register
0
2
" (level 7)
______
_______
______
16
______
". The program runs out of control if an interrupt is acknowledged
(
INT
______
interrupt disabled)
______
______
_______
_______
2
" (level 0)
2
CC
IN
" (level 1)
=30MHz with no division.
via a resistor (pull-up) when not in use.
_______
24. Precautions (Interrupts)
______
______
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