HD6473258P10 Renesas Electronics America, HD6473258P10 Datasheet - Page 236

• Manufacturer Part Number: HD6473258P10
• Description: IC H8 MCU OTP 32K 64DIP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/325r

Specifications of HD6473258P10

• Core Processor: H8/300
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI, UART/USART
• Number Of I /o: 53
• 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: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-DIP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Data Converters: -
• Peripherals: -

(2) Input of External Clock Signal
input. In example (b), the external clock signal should be held high during the standby modes.
Frequency
Duty factor
Circuit Configuration: Figure 14-5 shows examples of signal connections for external clock
External Clock Input
(a)
EXTAL
XTAL
Figure 14-4. Notes on Board Design around External Crystal
Double the system clock (Ø) frequency
45% to 55%
Not allowed
74HC04
C
C
Figure 14-5. External Clock Input (Example)
L2
L1
Signal A
External
clock
input
233
Signal B
(b)
EXTAL
XTAL
EXTAL
XTAL
Open
H8/325 series
Fig 14-4
External
clock
input
Fig 14-5