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参数资料
| 型号： | MSP430FG437IPNR |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 微控制器/微处理器 |
| 英文描述： | 16-BIT, FLASH, 8 MHz, RISC MICROCONTROLLER, PQFP80 |
| 封装： | GREEN, PLASTIC, QFP-80 |
| 文件页数： | 27/73页 |
| 文件大小： | 1121K |
| 代理商： | MSP430FG437IPNR |
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MSP430FG43x
MIXED SIGNAL MICROCONTROLLER
SLAS380C APRIL 2004 REVISED MARCH 2011
33
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
electrical characteristics over recommended operating free-air temperature (unless otherwise
noted)
crystal oscillator, LFXT1 oscillator (see Notes 1 and 2)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
OSCCAPx = 0h, VCC = 2.2 V / 3 V
0
C
Integrated input capacitance
OSCCAPx = 1h, VCC = 2.2 V / 3 V
10
pF
CXIN
Integrated input capacitance
(see Note 4)
OSCCAPx = 2h, VCC = 2.2 V / 3 V
14
pF
OSCCAPx = 3h, VCC = 2.2 V / 3 V
18
OSCCAPx = 0h, VCC = 2.2 V / 3 V
0
C
Integrated output capacitance
OSCCAPx = 1h, VCC = 2.2 V / 3 V
10
pF
CXOUT
Integrated output capacitance
(see Note 4)
OSCCAPx = 2h, VCC = 2.2 V / 3 V
14
pF
OSCCAPx = 3h, VCC = 2.2 V / 3 V
18
VIL
Input levels at XIN
V
2 2 V/3 V (see Note 3)
VSS
0.2
×VCC
V
VIH
Input levels at XIN
VCC = 2.2 V/3 V (see Note 3)
0.8
×VCC
VCC
V
NOTES:
1. The parasitic capacitance from the package and board may be estimated to be 2 pF. The effective load capacitor for the crystal is
(CXIN xCXOUT) / (CXIN + CXOUT). This 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 should be observed.
Keep as short of a trace as possible between the ’FG43x and the crystal.
Design a good ground plane around the oscillator pins.
Prevent crosstalk from other clock or data lines into oscillator pins XIN and XOUT.
Avoid running PCB traces underneath or adjacent to the XIN and XOUT pins.
Use assembly materials and praxis to avoid any parasitic load on the oscillator XIN and XOUT pins.
If conformal coating is used, ensure that it does not induce capacitive/resistive leakage between the oscillator pins.
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.
crystal oscillator, XT2 oscillator (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
CXT2IN
Integrated input capacitance
VCC = 2.2 V/3 V
2
pF
CXT2OUT
Integrated output capacitance
VCC = 2.2 V/3 V
2
pF
VIL
Input levels at XT2IN
VCC = 2 2 V/3 V (see Note 2)
VSS
0.2
× VCC
V
VIH
Input levels at XT2IN
VCC = 2.2 V/3 V (see Note 2)
0.8
× VCC
VCC
V
NOTES:
1. The oscillator needs capacitors at both terminals, with values specified by the crystal manufacturer.
2. Applies only when using an external logic-level clock source. Not applicable when using a crystal or resonator.
USART0 (see Note 1)
PARAMETER
TEST CONDITIONS
MIN
NOM
MAX
UNIT
t( )
USART0: deglitch time
VCC = 2.2 V, SYNC = 0 , UART mode
200
430
800
ns
t(τ)
USART0: deglitch time
VCC = 3 V, SYNC = 0 , UART mode
150
280
500
ns
NOTES:
1. The signal applied to the USART0 receive signal/terminal (URXD0) should meet the timing requirements of t(τ) to ensure that the
URXS flip-flop is set. The URXS flip-flop is set with negative pulses meeting the minimum-timing condition of t(τ). The operating
conditions to set the flag must be met independently from this timing constraint. The deglitch circuitry is active only on negative
transitions on the URXD0 line.
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| MSP430FG438IPN | 功能描述:16位微控制器 - MCU 48KB Flash 2KB RAM 12ADC/2DAC 128sLCD RoHS:否 制造商:Texas Instruments 核心:RISC 处理器系列:MSP430FR572x 数据总线宽度:16 bit 最大时钟频率:24 MHz 程序存储器大小:8 KB 数据 RAM 大小:1 KB 片上 ADC:Yes 工作电源电压:2 V to 3.6 V 工作温度范围:- 40 C to + 85 C 封装 / 箱体:VQFN-40 安装风格:SMD/SMT |
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