HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 193
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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9.2
9.2.1
DMA source address registers 0–3 (SAR0–SAR3) are 32-bit read/write registers that specify the
source address of a DMA transfer. During a DMA transfer, these registers indicate the next source
address (in single-address mode, SAR is ignored in transfers from external devices with DACK to
memory-mapped external devices or external memory).
The initial value after resets or in standby mode is undefined.
9.2.2
DMA destination address registers 0–3 (DAR0–DAR3) are 32-bit read/write registers that specify
the destination address of a DMA transfer. During a DMA transfer, these registers indicate the
next destination address (in single-address mode, DAR is ignored in transfers from memory-
mapped external devices or external memory to external devices with DACK). The initial value
after resets or in standby mode is undefined.
174 RENESAS
Initial value:
Initial value:
Initial value:
Initial value:
Bit name:
Bit name:
Bit name:
Bit name:
Register Descriptions
DMA Source Address Registers 0–3 (SAR0–SAR3)
DMA Destination Address Registers 0–3 (DAR0–DAR3)
R/W:
R/W:
R/W:
R/W:
Bit:
Bit:
Bit:
Bit:
R/W
R/W
R/W
R/W
31
—
23
—
31
—
23
—
R/W
R/W
R/W
R/W
30
—
22
—
30
—
22
—
R/W
R/W
R/W
R/W
29
—
21
—
29
—
21
—
R/W
R/W
R/W
R/W
28
—
20
—
28
—
20
—
R/W
R/W
27
—
27
—
R/W
R/W
26
—
…
…
…
…
26
—
…
…
…
…
R/W
R/W
25
—
25
—
R/W
R/W
R/W
R/W
24
—
—
24
—
—
0
0
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