HD6432621 Hitachi, HD6432621 Datasheet - Page 723
HD6432621
Manufacturer Part Number
HD6432621
Description
(HD64F262x Series) 16-Bit Microcomputer
Manufacturer
Hitachi
Datasheet
1.HD6432621.pdf
(1069 pages)
- Current page: 723 of 1069
- Download datasheet (5Mb)
Note: A system clock frequency multiplied by the multiplication factor (STC1 and STC0) should
20.3
Clock pulses can be supplied by connecting a crystal resonator, or by input of an external clock.
In either case, the input clock should not exceed 20 MHz.
20.3.1
Circuit Configuration: A crystal resonator can be connected as shown in the example in figure
20-2. Select the damping resistance R
crystal should be used.
Table 20-2 Damping Resistance Value
Frequency (MHz)
R
Crystal Resonator: Figure 20-3 shows the equivalent circuit of the crystal resonator. Use a
crystal resonator that has the characteristics shown in table 20-3. The crystal resonator frequency
should not exceed 20 MHz.
d
( )
not exceed the maximum operating frequency defined in sections 21A and 21B, Electrical
Characteristics.
Oscillator
Connecting a Crystal Resonator
Figure 20-2 Connection of Crystal Resonator (Example)
XTAL
EXTAL
XTAL
Figure 20-3 Crystal Resonator Equivalent Circuit
R
4
500
d
L
d
according to table 20-2. An AT-cut parallel-resonance
C
C
C
C
L
0
L1
L2
8
200
AT-cut parallel-resonance type
R
s
C
12
0
L1
= C
EXTAL
L2
= 10 to 22pF
16
0
20
0
679
Related parts for HD6432621
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
Part Number:
Description:
Silicon N-Channel Power MOS FET Module
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
High Speed Power Switching
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
Silicon N-Channel IGBT
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
IGBT MODULE RANGE WITH SOFT AND FAST (SFD) FREE-WHEELING DIODES
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
8MHz V(cc): -0.3 to +7.0V V(in): -0.3 to +0.3V advanced CRT controller (ACRTC)
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
65,536-WORD x 4-BIT MULTIPORT CMOS VIDEO RAM
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
65,536-WORD x 4-BIT MULTIPORT CMOS VIDEO RAM
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
65,536-word ? 4-bit High Speed CMOS Static RAM
Manufacturer:
HITACHI
Datasheet:
Part Number:
Description:
SINGLE CHIP CODEC WITH FILTERS(COMBO)
Manufacturer:
HITACHI
Datasheet: