M30620FCAFP#U5 Renesas Electronics America, M30620FCAFP#U5 Datasheet - Page 467
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
2-148
Figure 2.9.4. Example of operation of one-shot transfer mode
Operation (1) When software trigger is selected, setting software DMA request bit to “1” generates a DMA
BCLK
Address bus
RD signal
WR signal
Data bus
Write signal to
software DMAi
request bit
DMAi
request bit
DMA transfer
counter
DMAi
interrupt
request bit
DMAi
enable bit
2.9.2 Operation of DMAC (one-shot transfer mode)
In one-shot transfer mode, choose functions from the items shown in Table 2.9.1. Operations of the
circled items are described below. Figure 2.9.4 shows an example of operation and Figure 2.9.5
shows the set-up procedure.
Table 2.9.1. Choosed functions
(2) If DMAC is active, data transfer starts, and the contents of the address indicated by the DMAi
(3) If the DMA transfer counter underflows, the DMA enable bit changes to “0” and DMA transfer
• In the case in which the number of transfer times is set to 2.
Transfer space
Unit of transfer
CPU use
transfer request signal.
forward-direction address pointer are transferred to the address indicated by the DMAi desti-
nation pointer. When data transfer starts directly after DMAC becomes active, the value of
the DMAi transfer counter reload register is reloaded to the DMAi transfer counter, and the
value of the DMAi source pointer is reloaded by the DMAi forward-direction address pointer.
Each time a DMA transfer request signal is generated, 1 byte of data is transferred. The
DMAi transfer counter is down counted, and the DMAi forward-direction address pointer is up
counted.
is completed. The DMA interrupt request bit changes to “1” simultaneously.
Indeterminate
Item
(1) Request signal for a DMA transfer occurs
CPU use
O
O
Source
(2) Data transfer begins
Source
Fixed address from fixed address
8 bits
16 bits
Fixed address from an arbitrary 1 M bytes space
Arbitrary 1 M bytes space from a fixed address
Destination
01
16
Destination
Dummy
cycle
Dummy
cycle
00
CPU use
16
CPU use
Set-up
SINGLE-CHIP 16-BIT CMOS MICROCOMPUTER
Source
Source
Destination
(3) Underflow
Destination
Dummy
cycle
Cleared to “0” when interrupt request is
accepted, or cleared by software
Dummy
cycle
M16C / 62A Group
Mitsubishi microcomputers
FF
16
CPU use
CPU use
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