HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 140
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: 140 of 511
- Download datasheet (2Mb)
8.3.5
Area Description
Area 0: Area 0 is the area where addresses A26–A24 are 000 and its address range is H'0000000–
H'0FFFFFF and H'8000000–H'8FFFFFF. Figure 8.5 is a memory map of area 0.
Area 0 can be set for use as on-chip ROM space or external memory space with the mode pins
(MD2–MD0). The MD2–MD0 pins also determine the bus width, regardless of the A27 address
bit. When MD2–MD0 are 000, area 0 is an 8-bit external memory space; when they are 001, area
0 is a 16-bit external memory space; and when they are 010, it is a 32-bit on-chip ROM space.
In the SH7020, the capacity of the on-chip ROM is 16 kbyte, so bits A23–A14 are ignored in on-
chip ROM space and the shadow is in 16 kbyte units. In the SH7021, the capacity of the on-chip
ROM is 32 kbyte, so bits A23–A15 are ignored in on-chip ROM space and the shadow is in 32
kbyte units. The CSO signal is disabled in on-chip ROM space.
In external memory space, the A23 and A22 bits are not output and the shadow is in 4-Mbyte
units. When external memory space is accessed, the CS0 signal is valid. The external memory
space has a long wait function, so between 1 and 4 states can be selected for the number of long
waits inserted into the bus cycle using the areas 0 and 2 long wait insertion bits (A02LW1,
A02LW0) of wait state controller 3 (WCR3).
120 RENESAS
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: