HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 25

• Manufacturer Part Number: HD6477021X20V
• Description: MCU 5V 32K PB-FREE 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: SuperH® SH7020r

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: -

Table 1.1
Feature
CPU
Operating modes
2 RENESAS
Features of the SH7020 and SH7021 Microcomputers
Description
Original Hitachi architecture
32-bit internal data paths
General-register machine:
• Sixteen 32-bit general registers
• Three 32-bit control registers
• Four 32-bit system registers
RISC-type instruction set:
• Instruction length: 16-bit fixed length for improved code
• Load-store architecture (basic arithmetic and logic operations
• Delayed unconditional branch instructions reduce pipeline
• Instruction set optimized for C language
Instruction execution time: one instruction/cycle (50 ns/instruction
at 20-MHz operation)
Address space: 4 Gbytes available on the architecture
On-chip multiplier: multiplication operations (16 bits
32 bits) executed in 1–3 cycles, and multiplication/accumulation
operations (16 bits
cycles
Five-stage pipeline
Operating modes:
• On-chip ROMless mode
• On-chip ROM mode
Processing states:
• Power-on reset state
• Manual reset state
• Exception processing state
• Program execution state
• Power-down state
• Bus-released state
Power-down states:
• Sleep mode
• Software standby mode
efficiency
are executed between registers)
disruption
16 bits + 42 bits
42 bits) executed in 2–3
16 bits