D12312SVTE25 Renesas Electronics America, D12312SVTE25 Datasheet - Page 830

• Manufacturer Part Number: D12312SVTE25
• Description: MCU 3V 0K 100-TQFP
• Manufacturer: Renesas Electronics America
• Series: H8® H8S/2300r

Specifications of D12312SVTE25

• Core Processor: H8S/2000
• Core Size: 16-Bit
• Speed: 25MHz
• Connectivity: SCI, SmartCard
• Peripherals: POR, PWM, WDT
• Number Of I /o: 70
• Program Memory Type: ROMless
• Ram Size: 8K x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 3.6 V
• Data Converters: A/D 8x10b; D/A 2x8b
• Oscillator Type: Internal
• Operating Temperature: -20°C ~ 75°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Eeprom Size: -
• Program Memory Size: -
• Other names: HD6412312SVTE25; HD6412312SVTE25

Section 18 Clock Pulse Generator
Bit 2
SCK2
0
1
18.3
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock.
18.3.1
Circuit Configuration: A crystal resonator can be connected as shown in the example in figure
18.2. Select the damping resistance R
crystal should be used.
Table 18.2 Damping Resistance Value
Frequency (MHz)
R
Rev.7.00 Feb. 14, 2007 page 796 of 1108
REJ09B0089-0700
d
(Ω)
0
1
0
1
Oscillator
Connecting a Crystal Resonator
Bit 1
SCK1
Figure 18.2 Connection of Crystal Resonator (Example)
Bit 0
SCK0
0
1
0
1
0
1
—
EXTAL
XTAL
2
6.8 k
Bus master is in high-speed
mode
Medium-speed clock is φ/2
Medium-speed clock is φ/4
Medium-speed clock is φ/8
Medium-speed clock is φ/16
Medium-speed clock is φ/32
—
DIV = 0
R
d
d
4
500
according to table 18.2. An AT-cut parallel-resonance
C
C
L1
L2
(Initial value)
8
200
Description
12
0
C
L1
= C
Bus master is in high-speed
mode
Clock supplied to entire chip is φ/2
Clock supplied to entire chip is φ/4
Clock supplied to entire chip is φ/8
—
—
—
DIV = 1
L2
16
0
= 10 to 22 pF
20
0
(Initial value)
25
0