參數(shù)資料
型號: MSP430F2274MRHAEP
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, PQCC40
封裝: GREEN, PLASTIC, MO-220VJJD-2, VQFN-40
文件頁數(shù): 58/79頁
文件大小: 1274K
代理商: MSP430F2274MRHAEP
Bus
Keeper
EN
Direction
0: Input
1: Output
P3SEL.0
1
0
P3DIR.0
P3IN.0
D
EN
Module X IN
1
0
Module X OUT
P3OUT.0
P3.0/UC1STE/UC0CLK/A5
1
0
DVSS
DVCC
P3REN.0
ADC10AE0.5
Pad Logic
INCHx = 5
To ADC 10
1
USCI Direction
Control
www.ti.com
SLAS614C – SEPTEMBER 2008 – REVISED JULY 2010
Port P3 Pin Schematic: P3.0, Input/Output With Schmitt Trigger
Port P3 (P3.0) Pin Functions
CONTROL BITS/SIGNALS(2)
PIN NAME (P1.X)
X
Y
FUNCTION(1)
P3DIR.x
P3SEL.x
ADC10AE0.y
P3.0(3) (I/O)
I: 0; O: 1
0
P3.0/UC1STE/UC0CLK/A5
0
5
UC1STE/UC0CLK(4) (5)
X
1
0
A5(6)
X
1
(1)
N/A: Not available or not applicable
(2)
X: Don't care
(3)
Default after reset (PUC/POR)
(4)
The pin direction is controlled by the USCI module.
(5)
UC0CLK function takes precedence over UC1STE function. If the pin is required as UC0CLK input or output USCI1 is forced to 3-wire
SPI mode if 4-wire SPI mode is selected.
(6)
Setting the ADC10AE0.y bit disables the output driver as well as the input Schmitt trigger to prevent parasitic cross currents when
applying analog signals.
Copyright 2008–2010, Texas Instruments Incorporated
61
Product Folder Link(s): MSP430F2274-EP
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