參數(shù)資料
型號: MSP430F5638IPZR
廠商: TEXAS INSTRUMENTS INC
元件分類: 微控制器/微處理器
英文描述: 16-BIT, FLASH, 20 MHz, RISC MICROCONTROLLER, PQFP100
封裝: GREEN, PLASTIC, LQFP-100
文件頁數(shù): 83/101頁
文件大小: 1073K
代理商: MSP430F5638IPZR
PRODUCTPREVIEW
P7.3/XT2OUT
P7SEL.3
1
0
P7DIR.3
P7IN.3
P7OUT.3
1
0
DV
SS
DV
CC
P7REN.3
PadLogic
1
P7DS.3
0:Lowdrive
1:Highdrive
Bus
Keeper
ToXT2
MSP430F563x
SLAS650A – JUNE 2010 – REVISED JULY 2010
www.ti.com
Port P7, P7.3, Input/Output With Schmitt Trigger
Table 57. Port P7 (P7.2 and P7.3) Pin Functions
CONTROL BITS/SIGNALS(1)
PIN NAME (P5.x)
x
FUNCTION
P7DIR.x
P7SEL.2
P7SEL.3
XT2BYPASS
P7.2/XT2IN
2
P7.2 (I/O)
I: 0; O: 1
0
X
XT2IN crystal mode(2)
X
1
X
0
XT2IN bypass mode(2)
X
1
X
1
P7.3/XT2OUT
3
P7.3 (I/O)
I: 0; O: 1
0
X
XT2OUT crystal mode(3)
X
1
X
0
P7.3 (I/O)(3)
X
1
X
1
(1)
X = Don't care
(2)
Setting P7SEL.2 causes the general-purpose I/O to be disabled. Pending the setting of XT2BYPASS, P7.2 is configured for crystal
mode or bypass mode.
(3)
Setting P7SEL.2 causes the general-purpose I/O to be disabled in crystal mode. When using bypass mode, P7.3 can be used as
general-purpose I/O.
82
Copyright 2010, Texas Instruments Incorporated
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