HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 213
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
- Current page: 213 of 511
- Download datasheet (2Mb)
• Dual Address Mode
1. External memory and external memory transfer
2. External memory and memory-mapped external devices transfer
3. Memory-mapped external devices and memory-mapped external devices transfer
4. External memory and on-chip memory transfer
5. External memory and on-chip peripheral modules (excluding the DMAC) transfer
6. Memory-mapped external devices and on-chip memory transfer
7. Memory-mapped external devices and on-chip peripheral modules (excluding the DMAC)
8. On-chip memory and on-chip memory transfer
9. On-chip memory and on-chip peripheral modules (excluding the DMAC) transfer
10. On-chip peripheral modules (excluding the DMAC) and on-chip peripheral modules
194 RENESAS
In the dual address mode, both the transfer source and destination are accessed (selectable) by
an address. The source and destination can be located externally or internally. The source is
accessed in the read cycle and the destination in the write cycle, so the transfer is performed in
two separate bus cycles. The transfer data is temporarily stored in the DMAC. Figure 9.8
shows an example of a transfer between two external memories in which data is read from one
memory in the read cycle and written to the other memory in the following write cycle.
In the dual address mode transfers, external memory, memory-mapped external devices, on-
chip memory and on-chip peripheral modules can be mixed without restriction. Specifically,
this enables the following transfer types:
transfer
(excluding the DMAC) transfer
SuperH microcomputer
Figure 9.8 Data Flow in Dual Address Mode
DMAC
1: Read cycle
2: Write cycle
External data bus
: Data flow
2
1
External
External
memory
memory
Related parts for HD6477021X20V
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
KIT STARTER FOR M16C/29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/2D
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
R0K33062P STARTER KIT
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/23 E8A
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C/25
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER H8S2456 SHARPE DSPLY
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C38C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8C35C
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R8CL3AC+LCD APPS
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR RX610
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR R32C/118
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV RSK-R8C/26-29
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR SH7124
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT STARTER FOR H8SX/1622
Manufacturer:
Renesas Electronics America
Datasheet:
Part Number:
Description:
KIT DEV FOR SH7203
Manufacturer:
Renesas Electronics America
Datasheet: