參數(shù)資料
型號: MSP430F5438AIZQWR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 25 MHz, RISC MICROCONTROLLER, PBGA113
封裝: PLASTIC, BGA-113
文件頁數(shù): 88/104頁
文件大小: 1004K
代理商: MSP430F5438AIZQWR
P7SEL.x
1
0
P7DIR.x
P7IN.x
EN
Module X IN
1
0
Module X OUT
P7OUT.x
1
0
DV
SS
DV
CC
P7REN.x
Pad Logic
1
P7DS.x
0: Low drive
1: High drive
D
Bus
Keeper
To ADC12
P7.4/A12
P7.5/A13
P7.6/A14
P7.7/A15
INCHx = y
MSP430F543xA, MSP430F541xA
SLAS655B – JANUARY 2010 – REVISED OCTOBER 2010
www.ti.com
Port P7, P7.4 to P7.7, Input/Output With Schmitt Trigger
Table 55. Port P7 (P7.4 to P7.7) Pin Functions
CONTROL BITS/SIGNALS(1)
PIN NAME (P7.x)
x
FUNCTION
P7DIR.x
P7SEL.x
INCHx
P7.4/A12
4
P7.4 (I/O)
I: 0; O: 1
0
X
A12(2) (3)
X
12
P7.5/A13
5
P7.5 (I/O)
I: 0; O: 1
0
X
A13(4) (5)
X
13
P7.6/A14
6
P7.6 (I/O)
I: 0; O: 1
0
X
A14(4) (5)
X
14
P7.7/A15
7
P7.7 (I/O)
I: 0; O: 1
0
X
A15(4) (5)
X
15
(1)
X = Don't care
(2)
Setting the P7SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals.
(3)
The ADC12_A channel Ax is connected internally to AVSS if not selected via the respective INCHx bits.
(4)
Setting the P7SEL.x bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when applying
analog signals.
(5)
The ADC12_A channel Ax is connected internally to AVSS if not selected via the respective INCHx bits.
84
Copyright 2010, Texas Instruments Incorporated
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