HD6473228F10V Renesas Electronics America, HD6473228F10V Datasheet - Page 235

• Manufacturer Part Number: HD6473228F10V
• Description: MCU 5V 32K,PB-FREE 64-QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/325r

Specifications of HD6473228F10V

• Core Processor: H8/300
• Core Size: 8-Bit
• Speed: 10MHz
• Connectivity: SCI, UART/USART
• Number Of I /o: 53
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: OTP
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 64-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Peripherals: -

Table 14-1. External Crystal Parameters
Frequency (MHz)
Rs max (Ω)
C
kept away from the crystal circuit to prevent induction from interfering with correct oscillation.
See figure 14-4. The crystal and its load capacitors should be placed as close as possible to the
XTAL and EXTAL pins.
0
Crystal Oscillator: The external crystal should have the characteristics listed in table 16-1.
Note on Board Design: When an external crystal is connected, other signal lines should be
(pF)
XTAL
Figure 14-2. Connection of Crystal Oscillator (Example)
Figure 14-3. Equivalent Circuit of External Crystal
2
500
EXTAL
XTAL
4
120
L
8
60
7 pF max
C
L
232
C
C
12
40
C
L1
L2
0
AT-cut parallel resonating crystal
C
L1
16
30
= C
L2
R
= 15 to 22 pF
S
Fig 14-2
20
20
EXTAL