参数资料
型号: MSP430F5326IRGC
厂商: TEXAS INSTRUMENTS INC
元件分类: 微控制器/微处理器
英文描述: RISC MICROCONTROLLER, PQCC64
封装: PLASTIC, VQFN-64
文件页数: 40/68页
文件大小: 793K
代理商: MSP430F5326IRGC
PRODUCTPREVIEW
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
to ADC12
INCHx=x
MSP430F532x
www.ti.com
SLAS678 – AUGUST 2010
Port P5, P5.0 and P5.1, Input/Output With Schmitt Trigger
Table 50. 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+
0
P5.0 (I/O)(2)
I: 0; O: 1
0
X
A8/VeREF+(3)
X
1
0
A8/VREF+(4)
X
1
P5.1/A9/VREF–/VeREF–
1
P5.1 (I/O)(2)
I: 0; O: 1
0
X
A9/VeREF– (5)
X
1
0
A9/VREF–(6)
X
1
(1)
X = Don't care
(2)
Default condition
(3)
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. Channel A8, when selected
with the INCHx bits, is connected to the VREF+/VeREF+ pin.
(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. The VREF+ reference is available at the pin. Channel A8, when selected with the INCHx bits, is connected to the
VREF+/VeREF+ pin.
(5)
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. Channel A9, when selected
with the INCHx bits, is connected to the VREF-/VeREF- pin.
(6)
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.
Copyright 2010, Texas Instruments Incorporated
45
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