M30620FCAFP#U5 Renesas Electronics America, M30620FCAFP#U5 Datasheet - Page 527
M30620FCAFP#U5
Manufacturer Part Number
M30620FCAFP#U5
Description
IC M16C MCU FLASH 100QFP
Manufacturer
Renesas Electronics America
Series
M16C™ M16C/60r
Datasheets
1.M30622SAFPU5.pdf
(277 pages)
2.M30622SAFPU5.pdf
(617 pages)
3.M30622SAFPU5.pdf
(308 pages)
Specifications of M30620FCAFP#U5
Core Processor
M16C/60
Core Size
16-Bit
Speed
16MHz
Connectivity
SIO, UART/USART
Peripherals
DMA, PWM, WDT
Number Of I /o
85
Program Memory Size
128KB (128K x 8)
Program Memory Type
FLASH
Ram Size
10K x 8
Voltage - Supply (vcc/vdd)
4.2 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
Package
100PQFP
Family Name
M16C
Maximum Speed
16 MHz
Operating Supply Voltage
5 V
Data Bus Width
16|32 Bit
Number Of Programmable I/os
87
Interface Type
SIM/UART
On-chip Adc
10-chx10-bit
On-chip Dac
2-chx8-bit
Number Of Timers
11
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
M30620FCAFP#U5M30620FCAFP#D3
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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DMAC Applications
2-208
3.6 Memory to Memory DMA Transfer
Overview
Specifications
Operation
Figure 3.6.1. Operation timing of memory to memory DMA transfer
Address bus
RD signal
WR signal
Timer A0
transfer request
Note 1:
Note 2:
Note 3:
The following are steps for changing both source address and destination address to transfer
data from memory to another. The DMA transfer utilizes the workings that assign a higher priority
to the DMA0 transfer if transfer requests simultaneously occur in two DMA channels. Figure
3.6.1 shows the operation timing, Figure 3.6.2 shows the block diagram, and Figures 3.6.3 and
3.6.4 show the set-up procedure.
Use the following peripheral functions:
• Timer mode of timer A
• Two DMAC channels
• One-byte temporary RAM (address 0800
(1) Transfer the content of memory extending over 128 bytes from address A0000
(2) Use DMA0 for a transfer from the source to built-in memory, and DMA1 for a transfer from
(1) A timer A interrupt request occurs. Though both a DMA0 transfer request and a DMA1 trans-
(2) DMA0 receives a transfer request and transfers data from the source to the built-in memory.
(3) Next, DMA1 receives a transfer request and transfers data involved from built-in memory to
byte area starting from address C0000
request occurs.
built-in memory to the destination.
fer request occur simultaneously, the former is executed first.
At this time, the source address is incremented.
the destination. At this time, the destination address is incremented.
The DMA0 operation and DMA1 operation are not necessarily executed in succession
due to the a cycle steal operation.
The instruction cycle varies from instruction to instruction.
Since the parts of the RD and WR signals shown in short-dash lines vary in step with
writing to the internal RAM, waveforms are not output to the RD and WR pins.
“1”
“0”
“1”
“0”
“1”
“0”
Instruction cycle
(1) Transfer request generation
(2) Start DMA0 transferring
Source address
A0000
DMA0 operation
16
16
16
. Transfer the content every time a timer A0 interrupt
)
Destination address
0800
16
(3) Start DMA1 transferring
Source address
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
0800
DMA1 operation
16
Destination address
C0000
M16C / 62A Group
Mitsubishi microcomputers
16
16
to a 128-
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