MSP430F41x2
MIXED SIGNAL MICROCONTROLLER
SLAS648E -- APRIL 2009 -- REVISED MARCH 2011
68
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
/
APPLICATION INFORMATION
Port P7 pin schematic: P7.0 to P7.3, input/output with Schmitt trigger
Direction
0: Input
1: Output
P7SEL.x
P7DIR.x
P7IN.x
P7OUT.x
Pad Logic
1
0
1
0
Bus
Keeper
EN
LCDS32
Sy
To JTAG
From JTAG
P7.0/TDO/TDI/S32
P7.1/TDI/TCLK/S33
P7.2/TMS/S34
P7.3/TCK/S35
0/1
Port P7 (P7.0 to P7.3) pin functions
PIN NAME (P7 X)
X
FUNCTION
CONTROL BITS / SIGNALS
PIN NAME (P7.X)
X
FUNCTION
JTAG Mode
P7DIR.x
P7SEL.x
LCDS32
P7.0/TDO/TDI/S32
0
P7.x (I/O)
0
I: 0, O: 1
0
0
/
/
/
TDO/TDI (see Note 1)
1
x
x
x
S32
0
x
x
1
P7.1/TDI/TCLK/S33
1
P7.x (I/O)
0
I: 0, O: 1
0
0
/
/
/
TDI/TCLK (see Note 1)
1
x
x
x
S33
0
x
x
1
P7.2/TMS/S34
2
P7.x (I/O)
0
I: 0, O: 1
0
0
/
/
TMS (see Note 1)
1
x
x
x
S34
0
x
x
1
P7.3/TCK/S35
3
P7.3 (I/O)
0
I: 0, O: 1
0
0
/
/
TCK (see Note 1)
1
x
x
x
S35
0
x
x
1
NOTES: 1. In JTAG Mode the internal pullup/pulldown resistors are disabled.
2. X: Don’t care.
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