DF2505FC26V Renesas Electronics America, DF2505FC26V Datasheet - Page 834

• Manufacturer Part Number: DF2505FC26V
• Description: IC H8S/2505 MCU FLASH 144QFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2500r

Specifications of DF2505FC26V

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 26MHz
• Connectivity: I²C, SCI
• Peripherals: POR, PWM, WDT
• Number Of I /o: 104
• Program Memory Size: 384KB (384K x 8)
• Program Memory Type: FLASH
• Ram Size: 32K x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Data Converters: A/D 16x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 144-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -

Section 21 Clock Pulse Generator
21.7
21.7.1
To supply a clock to the subclock divider, connect a 32.768-kHz crystal resonator, as shown in
figure 21.8. Figure 21.9 shows the equivalent circuit for a 32.768-kHz crystal resonator.
Rev. 6.00 Sep. 24, 2009 Page 786 of 928
REJ09B0099-0600
OSC1
Subclock Oscillator
Connecting 32.768-kHz Crystal Resonator
Figure 21.8 Connection Example of 32.768-kHz Crystal Resonator
Figure 21.9 Equivalent Circuit for 32.768-kHz Crystal Resonator
Note: C1 and C2 are reference values including the floating
OSC2
OSC1
L
capacitance of the boad.
s
C
s
C
o
C
C
1
2
R
C
Co = 1.5 pF (typ.)
Rs = 14 kΩ (typ.)
fw = 32.768 kHz
Type name = C001R (SEIKO EPSON)
s
1
= C
2
= 15 pF (typ)
OSC2