HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 142
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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set to 1 to use the address multiplex function, bits A23–A0 are multiplexed and output from pins
A15–A0, so a maximum 16-Mbyte space can be used. When DRAM space is accessed, the CS1
signal is not valid and the pin function controller should be set for access with CAS (CASH and
CASL) and RAS signals.
Areas 2–4: Areas 2–4 are the areas where addresses A26–A24 are 010, 011 and 100, respectively,
and their address ranges are H'2000000–H'2FFFFFF and H'A000000–H'AFFFFFF (area 2),
H'3000000–H'3FFFFFF and H'B000000–H'BFFFFFF (area 3), and H'4000000–H'4FFFFFF and
H'C000000–H'CFFFFFF (area 4). Figure 8.7 is a memory map of area 2, which is representative
of areas 2–4.
122 RENESAS
H'9BFFFFF
H'9FFFFFF
H'93FFFFF
H'97FFFFF
H'9C00000
H'9000000
H'9400000
H'9800000
16-bit space
H'1FFFFFF
DRAME = 0 or DRAME = 1, MXE = 0
H'1BFFFFF
H'13FFFFF
H'17FFFFF
H'1C00000
H'1000000
H'1400000
H'1800000
Logical address space
A27 = 1:
8-bit space
A27 = 0:
Shadow
Shadow
Shadow
Shadow
Figure 8.6 Memory Map of Area 1
• Valid
• CS1
Actual space
(4 Mbytes)
address
A21–A0
(A23 and
A22 not
output)
valid
External
memory
space
H'9FFFFFF
H'9000000
H'1FFFFFF
16-bit space
H'1000000
A27 = 1:
Logical address space
8-bit space
A27 = 0:
DRAME = 1
Shadow
• Multiplexed
• Not multi-
• CS1 not
Actual space
(MXE = 1):
16-bit space
plexed
(MXE = 0):
4 Mbyte
space
valid (CAS,
RAS output)
16 Mbytes)
(maximum
DRAM
space
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