HD6477021X20V Renesas Electronics America, HD6477021X20V Datasheet - Page 111

• 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 7.3
t
t
standard)
7.3
Board design: When designing the board, place the crystal resonator and its load capacitors as
close as possible to the XTAL and EXTAL pins. Route no other signal lines near the XTAL and
EXTAL pin signal lines to prevent induction from interfering with correct oscillation. See figure
7.6.
EXr/f
EXH/L
(V
(1/2 V
IL
–V
Usage Notes
IH
CC
Input Clock Specifications
)
1/2 V
External clock input
cc
VIL
t
EXr
5 V Specifications
(fmax = 20 MHz)
Max = 5
Min = 10
Figure 7.4 External Clock Input Method
VIH
Figure 7.5 Input Clock Waveform
t
EXH
t
cyc
t
EXf
3.3 V Specifications
(fmax = 12.5 MHz)
Max = 10
Min = 20
Open
t
EXL
XTAL
EXTAL
Units
ns
ns
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