Datasheet

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
P
I
N
N
A
M
E
(
P
7
X
)
X
F
U
N
C
T
I
O
N
CONTROL BITS / SIGNALS
PIN N
A
ME (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(seeNote1) 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(seeNote1) 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(seeNote1) 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.