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MSP430FW427IPMR Datasheet

  • MSP430FW427IPMR

  • MIXED SIGNAL MICROCONTROLLER

  • 757.82KB

  • 53页

  • TI

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MSP430xW42x
MIXED SIGNAL MICROCONTROLLER
SLAS383A 鈭?OCTOBER 2003 鈭?REVISED AUGUST 2004
crystal oscillator, LFXT1 oscillator (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
OSCCAPx = 0h
OSCCAPx = 1h
CXIN
Integrated load capacitance
OSCCAPx = 2h
OSCCAPx = 3h
OSCCAPx = 0h
OSCCAPx = 1h
CXOUT
Integrated load capacitance
OSCCAPx = 2h
OSCCAPx = 3h
VIL
VIH
Input levels at XIN
see Note 3
VCC
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
2.2 V/3 V
VSS
0.8脳VCC
MIN
TYP
0
10
14
18
0
10
14
18
0.2脳VCC
VCC
V
pF
pF
MAX
UNIT
NOTES: 1. The parasitic capacitance from the package and board may be estimated to be 2pF. The effective load capacitor for the crystal is
(CXIN x CXOUT) / (CXIN + CXOUT). It is independent of XTS_FLL.
2. To improve EMI on the low-power LFXT1 oscillator, particularly in the LF mode (32 kHz), the following guidelines must be
observe:
鈥?/div>
Keep as short a trace as possible between the 鈥檟W42x and the crystal.
鈥?/div>
Design a good ground plane around oscillator pins.
鈥?/div>
Prevent crosstalk from other clock or data lines into oscillator pins XIN and XOUT.
鈥?/div>
Avoid running PCB traces underneath or adjacent to XIN an XOUT pins.
鈥?/div>
Use assembly materials and praxis to avoid any parasitic load on the oscillator XIN and XOUT pins.
鈥?/div>
If conformal coating is used, ensure that it does not induce capacitive/resistive leakage between the oscillator pins.
鈥?/div>
Do not route the XOUT line to the JTAG header to support the serial programming adapter as shown in other documentation.
This signal is no longer required for the serial programming adapter.
3. Applies only when using an external logic-level clock source. XTS_FLL must be set. Not applicable when using a crystal or resonator.
4. External capacitance is recommended for precision real-time clock applications; OSCCAPx = 0h.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
31

MSP430FW427IPMR 产品属性

  • The Ultra-Low Power MSP430MSP430 OverviewMSP430 Design ToolsMSP430 PeripheralsMSP430x2xx/4xx and Wireless OverviewPortable Medical Solutions with MSP430MSP430 for Utility Metering SolutionsMSP430: How to JTAGMSP430, How To Use the Clock SystemGrace Software Graphical User InterfaceMCU OverviewDriver LibraryMSP430Ware Overview

  • 1

  • 集成电路 (IC)

  • 嵌入式 - 微控制器，

  • MSP430x4xx

  • RISC

  • 16-位

  • 8MHz

  • -

  • 欠压检测/复位，LCD，POR，PWM，WDT

  • 48

  • 32KB（32K x 8 + 256B）

  • 闪存

  • -

  • 1K x 8

  • 1.8 V ~ 3.6 V

  • 斜率 A/D

  • 内部

  • -40°C ~ 85°C

  • 64-LQFP

  • Digi-Reel®

  • 296-15859-6

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