參數(shù)資料
型號: 9S12C128DGV1
英文描述: MC9S12C Family Device User Guide
中文描述: MC9S12C家庭設(shè)備用戶指南
文件頁數(shù): 73/136頁
文件大?。?/td> 2190K
代理商: 9S12C128DGV1
73
Table 8-1 Recommended External Component Values
Component
Purpose
Type
Value
C1
VDD1 filter capapcitor
ceramic X7R
220nF, 470nF
1
NOTES
:
1. In 48LQFP and 52LQFP package versions, VDD2 is not available. Thus 470nF must be connected
to VDD1.
C2
VDD2 filter capacitor (80 QFP only)
ceramic X7R
220nF
C3
VDDA filter capacitor
ceramic X7R
100nF
C4
VDDR filter capacitor
X7R/tantalum
>=100nF
C5
VDDPLL filter capacitor
ceramic X7R
100nF
C6
VDDX filter capacitor
X7R/tantalum
>=100nF
C7
OSC load capacitor
See PLL specification chapter
C8
OSC load capacitor
C9
PLL loop filter capacitor
See PLL specification chapter
C10
PLL loop filter capacitor
C11
DC cutoff capacitor
Colpitts mode only, if recommended by
quartz manufacturer
R1
PLL loop filter resistor
See PLL Specification chapter
R2 / R
B
PLL loop filter resistor
Pierce mode only
R3 / R
S
PLL loop filter resistor
Q1
Quartz
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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