M30800SFP-BL#U5 Renesas Electronics America, M30800SFP-BL#U5 Datasheet - Page 232

• Manufacturer Part Number: M30800SFP-BL#U5
• Description: MCU 3/5V 0K,PB-FREE 100-QFP
• Manufacturer: Renesas Electronics America
• Series: M16C™ M16C/80r

Specifications of M30800SFP-BL#U5

• Core Processor: M16C/80
• Core Size: 16-Bit
• Speed: 20MHz
• Connectivity: SIO, UART/USART
• Peripherals: DMA, PWM, WDT
• Number Of I /o: 45
• Program Memory Type: ROMless
• Ram Size: 10K x 8
• Voltage - Supply (vcc/vdd): 2.7 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Program Memory Size: -

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6
1 .
0
C
9
0 .
8 /
B
(4) Recommended procedure for starting DMA transfer
(5) Recommended procedure after completing DMA transfer
0
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0
1
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8
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•When writing to the DMAi request cause register including overwriting the same value to the
1. Disable the corresponding channel i DMA in DMA mode registers 0 and 1.
2. Set up the peripheral used as the source of the DMA transfer. However, the peripheral
3. Set the DMAi request cause select register. At this time, write a '1' to the DMA request
4. Set the following SFR registers:
5. At this point, if the number of elapsed cycles are less than 26, add code (NOP's or other
6. Enable the corresponding channel i DMA in the DMA mode registers 0 and 1.
7. Enable the peripheral used as the source of the DMA transfer. For example, when
•When not writing to the DMAi request cause register;
1. Disable the corresponding channel i DMA in the DMA mode registers 0 and 1.
2. Set up the peripheral used as the source of the DMA transfer. However, the peripheral
3. Set up the following SFR registers:
4. Enable the corresponding channel i DMA in the DMA mode registers 0 and 1.
5. Enable the peripheral used as the source of the DMA transfer. For example, when using
•Disable the peripheral used as source of the DMA transfer to prevent generating a DMA
•Disable the corresponding channel i DMA in the DMA mode registers 0 and 1.
u
1
0
DMAi request cause register;
should remain disabled at this time. For example, when using UART0 transmit, disable
UART0 transmit.
bit (bit 7)
•DMAiSFR address register
•DMAI memory address reload register
•DMAi memory address register
•DMAi transfer count reload register
•DMAi transfer count register
processing) to make up some time.
using UART0 transmit, enable UART0 transmit.
should remain disabled at this time. For example, when using UART0 transmit, disable
UART0 transmit.
•DMAiSFR address register
•DMAI memory address reload register
•DMAi memory address register
•DMAi transfer count reload register
•DMAi transfer count register
UART0 transmit, enable UART0 transmit.
request.
p
0
, 2
0
2
0
0
5
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f o
3
2
9
27. Usage Precaution