M30280FAHP#U9B Renesas Electronics America, M30280FAHP#U9B Datasheet - Page 381
M30280FAHP#U9B
Manufacturer Part Number
M30280FAHP#U9B
Description
IC M16C/28 MCU FLASH 96K 80LQFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/Tiny/28r
Datasheet
1.M30280F6HPU9.pdf
(425 pages)
Specifications of M30280FAHP#U9B
Core Processor
M16C/60
Core Size
16-Bit
Speed
20MHz
Connectivity
I²C, IEBus, SIO, UART/USART
Peripherals
DMA, POR, PWM, Voltage Detect, WDT
Number Of I /o
71
Program Memory Size
96KB (96K x 8)
Program Memory Type
FLASH
Ram Size
8K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Data Converters
A/D 24x10b
Oscillator Type
Internal
Operating Temperature
-20°C ~ 85°C
Package / Case
80-LQFP
For Use With
R0K330290S000BE - KIT EVAL STARTER FOR M16C/29M30290T2-CPE - EMULATOR COMPACT M16C/26A/28/29M30290T2-CPE-HP - EMULATOR COMPACT FOR M16C/TINY
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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20.5 DMAC
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20.5.1 Write to DMAE Bit in DMiCON Register (i = 0, 1)
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When both of the conditions below are met, follow the steps below.
(a) Conditions
(b) Procedure
If the DMAi is not in an initial state, the above steps should be repeated.
NOTES:
0 .
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• The DMAE bit is set to “1” again while it remains set (DMAi is in an active state).
• A DMA request may occur simultaneously when the DMAE bit is being written.
(1) Write “1” to the DMAE bit and DMAS bit in DMiCON register simultaneously
(2) Make sure that the DMAi is in an initial state
0
1. The DMAS bit remains unchanged even if “1” is written. However, if “0” is written to this bit, it is
2. Read the TCRi register to verify whether the DMAi is in an initial state. If the read value is equal to
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0 -
. n
initial state.
set to “0” (DMA not requested). In order to prevent the DMAS bit from being modified to “0”, “1”
should be written to the DMAS bit when “1” is written to the DMAE bit. In this way the state of the
DMAS bit immediately before being written can be maintained.
Similarly, when writing to the DMAE bit with a read-modify-write instruction, “1” should be written to
the DMAS bit in order to maintain a DMA request which is generated during execution.
a value which was written to the TCRi register before DMA transfer start, the DMAi is in an initial
state. (If a DMA request occurs after writing to the DMAE bit, the value written to the TCRi register
is the value minus “1”.) If the read value is a value in the middle of transfer, the DMAi is not in an
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page 359
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(2)
in a program.
(1)
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20. Precautions
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