參數(shù)資料
型號(hào): μPDPD30101
廠商: NEC Corp.
英文描述: 64-Bit Micro[rocessor(64位微處理器)
中文描述: 64位微[rocessor(64位微處理器)
文件頁(yè)數(shù): 67/97頁(yè)
文件大?。?/td> 409K
代理商: ΜPDPD30101
μ
PD30101
66
Recommended Oscillation Circuit
(a) Crystal resonator connection (T
A
= –10 to +70 °C, V
DD
= 2.5 to 3.6 V)
GND CLKX1
CLKX2
C1
C2
Rd
Manufacturer
Product Name
Frequency
Recommended Circuit Constant
(kHz)
C1 (pF)
C2 (pF)
Rd (k
)
220
Seiko Instruments Inc.
SP-T2A
32.768
20
20
Caution When using a system clock oscillation circuit, perform the wiring of the portion enclosed
by the dotted line in the above figure to avoid adverse influence due to wiring capacitance,
etc.
Keep the wiring length as short as possible.
Do not cross the wiring with any other signal lines. Do not route the wiring in the
vicinity of a line through which a high alternating current flows.
Make sure that the ground point of the capacitor of the oscillation circuit is at the same
potential as GND. Do not ground the capacitor to a ground pattern through which a
high current flows.
Do not extract signals from the oscillation circuit.
(b) External clock input
CLKX1
CLKX2
Open
HCMOS
inverter
Caution Do not connect a load such as wiring capacitance to the CLKX2 pin.
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