HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 68
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
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Part Number
Manufacturer
Quantity
Price
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Part Number:
HD6477021X20V
Manufacturer:
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Quantity:
10 000
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3.1
The SH7020 and SH7021 operate in one of four operating modes (modes 0, 1, 2, and 7). Modes 0
and 1 differ in the bus width of memory area 0. The mode is selected by the mode pins (MD2–
MD0) as indicated in table 3.1. Do not change the mode selection while the chip is operating.
Table 3.1
Operating Mode
Mode 0*
Mode 1*
Mode 2
Mode 7*
Notes : 1.SH7021 PROM version only
3.2
3.2.1
In mode 0, memory area 0 has an eight-bit bus width. For the memory map, see section 8, Bus
State Controller.
3.2.2
In mode 1, memory area 0 has a 16-bit bus width.
3.2.3
In mode 2, memory area 0 is assigned to the on-chip ROM.
3.2.4
Mode 7 is a PROM mode. In this mode, the EPROM can be programmed.For details,see section
16, ROM. Do not set to mode 7 unless the product is the SH7021(PROM version).
2.Only modes 0 and 1are available in the SH7020 ROMless version.
2
2
Types of Operating Modes and Their Selection
Operating Mode Descriptions
Mode 0 (MCU Mode 0)
Mode 1 (MCU Mode 1)
Mode 2 (MCU Mode 2)
Mode 7 (PROM Mode)
Operating Mode Selection
MD2
0
0
0
1
Section 3 Operating Modes
Pin Settings
MD1
0
0
1
1
MD0
0
1
0
1
Mode Name
MCU mode 0
MCU mode 1
MCU mode 2
PROM mode
Bus Width of Area 0
8 bits
16 bits
On-chip ROM
—
RENESAS 45
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