MSP430X13X_17 Datasheet, PDF (42/69 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROROLLER

MSP430x13x, MSP430x14x, MSP430x14x1
MIXED SIGNAL MICROCONTROLLER
SLAS272F − JULY 2000 − REVISED JUNE 2004
APPLICATION INFORMATION
input/output schematic (continued)
port P2, P2.3 to P2.4, input/output with Schmitt-trigger
P2SEL.3
P2DIR.3
Direction Control
From Module
P2OUT.3
Module X OUT
0: Input
0
1: Output
1
Pad Logic
0
1
P2.3/CA0/TA1
P2IN.3
EN
Module X IN
D
Bus Keeper
P2IRQ.3
P2IE.3
EN
Q
P2IFG.3
Set
Interrupt
Edge
Select
Interrupt
Flag
P2IES.3
P2SEL.3
Comparator_A
CAF
CAPD.3
CAEX
P2CA
CAREF
+
CCI1B
To Timer_A3
P2IRQ.4
P2SEL.4
Interrupt ^P2IES.4
Flag
CAREF
P2IFG.4
Q
Set
P2IE.4
EN
Edge
Select
Interrupt
−
Reference Block
CAPD.4
Module X IN
D
EN
P2IN.4
Bus Keeper
Module X OUT
P2OUT.4
From Module
Direction Control
P2DIR.4
P2SEL.4
1
0
Pad Logic
1
0
1: Output
0: Input
PnSel.x PnDIR.x
P2Sel.3 P2DIR.3
P2Sel.4 P2DIR.4
† _{Signal from Timer_A}
DIRECTION
CONTROL
FROM MODULE
P2DIR.3
P2DIR.4
PnOUT.x MODULE X OUT PnIN.x
P2OUT.3
P2OUT.4
Out1 signal†
Out2 signal†
P2IN.3
P2IN.4
MODULE X IN
unused
unused
P2.4/CA1/TA2
PnIE.x PnIFG.x PnIES.x
P2IE.3 P2IFG.3 P2IES.3
P2IE.4 P2IFG.4 P2IES.4
42
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265