參數(shù)資料
型號: MSP430F5437IPNR
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, PQFP80
封裝: GREEN, PLASTIC, LQFP-80
文件頁數(shù): 72/99頁
文件大小: 985K
代理商: MSP430F5437IPNR
P5.3/XT2OUT
P5SEL.3
1
0
P5DIR.3
P5IN.3
EN
Module X IN
1
0
Module X OUT
P5OUT.3
1
0
DV
SS
DV
CC
P5REN.3
Pad Logic
1
P5DS.3
0: Low drive
1: High drive
D
Bus
Keeper
To XT2
MSP430F543x, MSP430F541x
SLAS612C – AUGUST 2009 – REVISED MARCH 2010
www.ti.com
Port P5, P5.3, Input/Output With Schmitt Trigger
Table 47. Port P5 (P5.2) Pin Functions
CONTROL BITS/SIGNALS(1)
PIN NAME (P5.x)
x
FUNCTION
P5DIR.x
P5SEL.2
P5SEL.3
XT2BYPASS
P5.2/XT2IN
2
P5.2 (I/O)
I: 0; O: 1
0
X
XT2IN crystal mode(2)
X
1
X
0
XT2IN bypass mode(2)
X
1
X
1
P5.3/XT2OUT
3
P5.3 (I/O)
I: 0; O: 1
0
X
XT2OUT crystal mode(3)
X
1
X
0
P5.3 (I/O)(3)
X
1
X
1
(1)
X = Don't care
(2)
Setting P5SEL.2 causes the general-purpose I/O to be disabled. Pending the setting of XT2BYPASS, P5.2 is configured for crystal
mode or bypass mode.
(3)
Setting P5SEL.2 causes the general-purpose I/O to be disabled in crystal mode. When using bypass mode, P5.3 can be used as
general-purpose I/O.
74
Copyright 2009–2010, Texas Instruments Incorporated
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