R5F61668MZN50FPV Renesas Electronics America, R5F61668MZN50FPV Datasheet - Page 424
R5F61668MZN50FPV
Manufacturer Part Number
R5F61668MZN50FPV
Description
MCU FLASH 1024K ROM 144-LQFP
Manufacturer
Renesas Electronics America
Series
H8® H8SX/1600r
Datasheet
1.R5F61668MZN50FPV.pdf
(1416 pages)
Specifications of R5F61668MZN50FPV
Core Processor
H8SX
Core Size
16/32-Bit
Speed
50MHz
Connectivity
EBI/EMI, I²C, IrDA, SCI, SmartCard, USB
Peripherals
DMA, LVD, POR, PWM, WDT
Number Of I /o
92
Program Memory Size
1MB (1M x 8)
Program Memory Type
FLASH
Ram Size
56K x 8
Voltage - Supply (vcc/vdd)
3 V ~ 3.6 V
Data Converters
A/D 8x10b; D/A 2x8b
Oscillator Type
External
Operating Temperature
-20°C ~ 75°C
Package / Case
144-LQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
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Section 10 DMA Controller (DMAC)
10.5
10.5.1
(1)
In dual address mode, the transfer source address is specified in DSAR and the transfer destination
address is specified in DDAR. A transfer at a time is performed in two bus cycles (when the data
bus width is less than the data access size or the access address is not aligned with the boundary of
the data access size, the number of bus cycles are needed more than two because one bus cycle is
divided into multiple bus cycles).
In the first bus cycle, data at the transfer source address is read and in the next cycle, the read data
is written to the transfer destination address.
The read and write cycles are not separated. Other bus cycles (bus cycle by other bus masters,
refresh cycle, and external bus release cycle) are not generated between read and write cycles.
The TEND signal output is enabled or disabled by the TENDE bit in DMDR. The TEND signal is
output in two bus cycles. When an idle cycle is inserted before the bus cycle, the TEND signal is
also output in the idle cycle. The DACK signal is not output.
Figure 10.2 shows an example of the signal timing in dual address mode and figure 10.3 shows the
operation in dual address mode.
Rev. 1.00 Jan. 29, 2010 Page 392 of 1380
REJ09B0596-0100
Dual Address Mode
Operations
Address Modes
Figure 10.2 Example of Signal Timing in Dual Address Mode
Bφ
Address bus
RD
WR
TEND
DMA read
cycle
DSAR
DMA write
DDAR
cycle
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