MSP430F1101A Datasheet, PDF (29/39 Pages) Texas Instruments – MIXED SIGNAL MICROCONTROLLER

MSP430C11x1, MSP430F11x1A
MIXED SIGNAL MICROCONTROLLER
SLAS241H − SEPTEMBER 1999 − REVISED SEPTEMBER 2004
APPLICATION INFORMATION
Port P2, P2.5, input/output with Schmitt-trigger and R_OSC function for the Basic Clock module
P2SEL.5
P2DIR.5
Direction Control
From Module
P2OUT.5
Module X OUT
0
0: Input _{Pad Logic}
1: Output
1
0
1
VCC
See Note 1
See Note 2
P2.5
See Note 2
See Note 1
P2IN.5
GND
Bus Keeper
EN
Module X IN
D
P2IRQ.5
P2IE.5
EN
Q
P2IFG.5
Set
Interrupt
Edge
Select
Interrupt
Flag
P2IES.5
DCOR
P2SEL.5
CAPD.5
NOTE: DCOR: Control bit from Basic Clock Module if it is set, P2.5 Is disconnected from P2.5 pad
Internal to
Basic Clock
Module
VCC
0
1
DC
Generator
PnSel.x PnDIR.x
Direction
control from
module
PnOUT.x Module X OUT PnIN.x
Module X IN
PnIE.x
PnIFG.x
P2Sel.5 P2DIR.5
P2DIR.5
P2OUT.5
VSS
P2IN.5
unused
P2IE.5
P2IFG.5
NOTES: 1. Optional selection of pullup or pulldown resistors with ROM (masked) versions
2. Fuses for optional pullup and pulldown resistors can only be programmed at the factory (ROM versions only).
PnIES.x
P2IES.5
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