參數(shù)資料
型號: MSP430P315S
廠商: Texas Instruments, Inc.
英文描述: MIXED SIGNAL MICROCONTROLLERS
中文描述: 混合信號微處理器
文件頁數(shù): 60/70頁
文件大小: 1176K
代理商: MSP430P315S
SLAS368D
OCTOBER 2002
REVISED MARCH 2005
60
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
APPLICATION INFORMATION
input/output schematic (continued)
port P6, P6.0 to P6.5, input/output with Schmitt-trigger
P6IN.x
Module X IN
Pad Logic
EN
D
P6OUT.x
P6DIR.x
P6SEL.x
Module X OUT
Direction Control
From Module
0
1
0
1
Bus Keeper
To ADC
From ADC
0: Input
1: Output
x: Bit Identifier, 0 to 5 for Port P6
P6.0/A0
P6.1/A1
P6.2/A2
P6.3/A3
P6.4/A4
P6.5/A5
NOTE: Analog signals applied to digital gates can cause current flow from the positive to the negative terminal. The throughput current flows if
the analog signal is in the range of transitions 0
1 or 1
0. The value of the throughput current depends on the driving capability of the
gate. For MSP430, it is approximately 100
μ
A.
Use P6SEL.x=1 to prevent throughput current. P6SEL.x should be set, even if the signal at the pin is not being used by the ADC12.
PnSel.x
PnDIR.x
DIR. CONTROL
FROM MODULE
PnOUT.x
MODULE X OUT
PnIN.x
MODULE X IN
P6Sel.0
P6DIR.0
P6DIR.0
P6OUT.0
DV
SS
DV
SS
DV
SS
DV
SS
DV
SS
DV
SS
P6IN.0
unused
P6Sel.1
P6DIR.1
P6DIR.1
P6OUT.1
P6IN.1
unused
P6Sel.2
P6DIR.2
P6DIR.2
P6OUT.2
P6IN.2
unused
P6Sel.3
P6DIR.3
P6DIR.3
P6OUT.3
P6IN.3
unused
P6Sel.4
P6DIR.4
P6DIR.4
P6OUT.4
P6IN.4
unused
P6Sel.5
P6DIR.5
P6DIR.5
P6OUT.5
P6IN.5
unused
NOTE: The signal at pins P6.x/Ax is used by the 12-bit ADC module.
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