參數(shù)資料
型號： MSP430F5517IPNR
廠商： TEXAS INSTRUMENTS INC
元件分類： 微控制器/微處理器
英文描述： 16-BIT, FLASH, RISC MICROCONTROLLER, PQFP80
封裝： GREEN, PLASTIC, LQFP-80
文件頁數(shù)： 103/119頁
文件大?。?/td> 1351K
代理商： MSP430F5517IPNR
P5.0/(A8/VREF+/VeREF+)
P5.1/(A9/VREF–/VeREF–)
P5SEL.x
1
0
P5DIR.x
P5IN.x
EN
Tomodule
1
0
Frommodule
P5OUT.x
1
0
DV
SS
DV
CC
P5REN.x
PadLogic
1
P5DS.x
0:Lowdrive
1:Highdrive
D
Bus
Keeper
to/fromReference
(n/aMSP430F551x)
to ADC12
INCHx=x
(n/aMSPF430F551x)
MSP430F551x
MSP430F552x
SLAS590E
– MARCH 2009 – REVISED APRIL 2011
Port P5, P5.0 and P5.1, Input/Output With Schmitt Trigger
Table 53. Port P5 (P5.0 and P5.1) Pin Functions
CONTROL BITS/SIGNALS(1)
PIN NAME (P5.x)
x
FUNCTION
P5DIR.x
P5SEL.x
REFOUT
P5.0/A8/VREF+/VeREF+(2)
0
P5.0 (I/O)(3)
I: 0; O: 1
0
X
A8/VeREF+(4)
X
1
0
A8/VREF+(5)
X
1
P5.1/A9/VREF
–/VeREF– (6)
1
P5.1 (I/O)(3)
I: 0; O: 1
0
X
A9/VeREF
– (7)
X
1
0
A9/VREF
–(8)
X
1
(1)
X = Don
't care
(2)
VREF+/VeREF+ available on MSP430F552x devices only.
(3)
Default condition
(4)
Setting the P5SEL.0 bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals. An external voltage can be applied to VeREF+ and used as the reference for the ADC12_A when available. Channel A8,
when selected with the INCHx bits, is connected to the VREF+/VeREF+ pin.
(5)
Setting the P5SEL.0 bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals. The VREF+ reference is available at the pin. Channel A8, when selected with the INCHx bits, is connected to the
VREF+/VeREF+ pin.
(6)
VREF-/VeREF- available on MSP430F552x devices only.
(7)
Setting the P5SEL.1 bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals. An external voltage can be applied to VeREF- and used as the reference for the ADC12_A when available. Channel A9,
when selected with the INCHx bits, is connected to the VREF-/VeREF- pin.
(8)
Setting the P5SEL.1 bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals. The VREF
– reference is available at the pin. Channel A9, when selected with the INCHx bits, is connected to the
VREF-/VeREF- pin.
84
Copyright
2009–2011, Texas Instruments Incorporated
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