MSP430F2274-EP_16 Datasheet, PDF (51/80 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430F2274-EP
www.ti.com
SLAS614D – SEPTEMBER 2008 – REVISED MAY 2011
Port P1 Pin Schematic: P1.4 to P1.6, Input/Output With Schmitt Trigger and In-System Access
Features
P1REN.x
Pad Logic
P1DIR.x
0
1
P1OUT.x
Module X OUT
P1SEL.x
P1IN.x
Module X IN
0
1
EN
D
Direction
0: Input
1: Output
DVSS 0
DVCC 1
1
Bus
Keeper
EN
P1.4/SMCLK/TCK
P1.5/TA0/TMS
P1.6/TA1/TDI
P1IRQ.x
To JTAG
From JTAG
P1IE.x
P1IFG.x
EN
Q
Set
P1SEL.x
P1IES.x
Interrupt
Edge
Select
Port P1 (P1.4 to P1.6) Pin Functions
PIN NAME (P1.X)
X
P1.4/SMCLK/TCK
4
P1.5/TA0/TMS
5
P1.6/TA1/TDI/TCLK
6
(1) N/A: Not available or not applicable
(2) X: Don't care
(3) Default after reset (PUC/POR)
(4) Function controlled by JTAG
FUNCTION ⁽¹⁾
P1.4⁽³⁾ (I/O)
SMCLK
TCK
P1.5⁽³⁾ (I/O)
Timer_A3.TA0
TMS
P1.6⁽³⁾ (I/O)
Timer_A3.TA1
TDI/TCLK ⁽⁴⁾
CONTROL BITS/SIGNALS⁽²⁾
P1DIR.x
P1SEL.x 4-Wire JTAG
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
1
1
0
X
X
1
I: 0; O: 1
0
0
1
1
0
X
X
1
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