HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 226
HD6477021X20V
Manufacturer Part Number
HD6477021X20V
Description
MCU 5V 32K PB-FREE 100-TQFP
Manufacturer
Renesas Electronics America
Series
SuperH® SH7020r
Datasheet
1.HD6417020SVX12IV.pdf
(511 pages)
Specifications of HD6477021X20V
Core Processor
SH-1
Core Size
32-Bit
Speed
20MHz
Connectivity
EBI/EMI, SCI
Peripherals
DMA, POR, PWM, WDT
Number Of I /o
32
Program Memory Size
32KB (32K x 8)
Program Memory Type
OTP
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
4.5 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-20°C ~ 75°C
Package / Case
100-TQFP, 100-VQFP
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Eeprom Size
-
Data Converters
-
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
HD6477021X20V
Manufacturer:
Renesas Electronics America
Quantity:
10 000
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9.4.2
In this example, receive data of on-chip serial communications interface (SCI) channel 0 is
transferred to external memory using DMAC channel 3. Table 9.8 shows the transfer conditions
and register settings.
Table 9.8
Transfer Conditions
Transfer source: RDR0 of on-chip SCI0
Transfer destination: external memory
Number of transfers: 64
Transfer destination address: incremented
Transfer source address: fixed
Transfer request source (transfer request signal): SCI0 (RXI0)
Bus mode: cycle steal
Transfer unit: byte
DEI interrupt request generated at end of transfer (channel 3
enabled for transfer
Channel priority order: fixed (0 > 3 > 2 > 1) (all channels
transfer enabled)
Example of DMA Transfer between On-Chip SCI and External Memory
Transfer Conditions and Register Settings for Transfer between On-Chip SCI
and External Memory
Register
SAR3
DAR3
TCR3
CHCR3
DMAOR
Setting
H'FFFFEC5
Destination address
H'0040
H'4405
H'0001
RENESAS 207
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