HD6473837H Renesas Electronics America, HD6473837H Datasheet - Page 106

• Manufacturer Part Number: HD6473837H
• Description: IC H8 MCU OTP 60K 100QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8/300Lr

Specifications of HD6473837H

• Core Processor: H8/300L
• Core Size: 8-Bit
• Speed: 5MHz
• Connectivity: SCI
• Peripherals: LCD, PWM
• Number Of I /o: 84
• Program Memory Size: 60KB (60K x 8)
• Program Memory Type: OTP
• Ram Size: 2K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-QFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -

Figure 4.8 shows the equivalent circuit of the 32.768-kHz crystal oscillator.
2. Inputting an external clock (H8/3832S, H8/3833S, H8/3834S, H8/3835S, H8/3836S, H8/3837S
only)
(1) Circuit configuration
An external clock is input to the X
An example of the connection in this case is shown in figure 4.9.
X
1
Figure 4.9 Example of Connection when Inputting an External Clock
Figure 4.8 Equivalent Circuit of 32.768-kHz Crystal Oscillator
L
S
X
X
1
2
C
1
S
pin. The X
C
0
2
pin should be left open.
C = 1.5 pF typ
R = 14 k typ
f
Crystal oscillator:
External clock input
Open
W
0
S
= 32.768 kHz
R
S
MX38T
(Nihon Denpa Kogyo)
X
2
89