Datasheet

MSP430F261x
MSP430F241x
SLAS541K –JUNE 2007–REVISED NOVEMBER 2012 www.ti.com
Table 2. Terminal Functions
TERMINAL
NO.
I/O DESCRIPTION
NAME
64 80 113
PIN PIN PIN
Analog supply voltage, positive terminal. Supplies only the analog portion of
AV
CC
64 80 A2
ADC12 and DAC12.
Analog supply voltage, negative terminal. Supplies only the analog portion of
AV
SS
62 78 B2, B3
ADC12 and DAC12.
DV
CC1
1 1 A1 Digital supply voltage, positive terminal. Supplies all digital parts.
DV
SS1
63 79 A3 Digital supply voltage, negative terminal. Supplies all digital parts.
DV
CC2
52 F12 Digital supply voltage, positive terminal. Supplies all digital parts.
DV
SS2
53 E12 Digital supply voltage, negative terminal. Supplies all digital parts.
General-purpose digital I/O pin
P1.0/TACLK/CAOUT 12 12 G2 I/O
Timer_A, clock signal TACLK input
Comparator_A output
General-purpose digital I/O pin
P1.1/TA0 13 13 H1 I/O
Timer_A, capture: CCI0A input, compare: Out0 output
BSL transmit
General-purpose digital I/O pin
P1.2/TA1 14 14 H2 I/O
Timer_A, capture: CCI1A input, compare: Out1 output
General-purpose digital I/O pin
P1.3/TA2 15 15 J1 I/O
Timer_A, capture: CCI2A input, compare: Out2 output
General-purpose digital I/O pin
P1.4/SMCLK 16 16 J2 I/O
SMCLK signal output
General-purpose digital I/O pin
P1.5/TA0 17 17 K1 I/O
Timer_A, compare: Out0 output
General-purpose digital I/O pin
P1.6/TA1 18 18 K2 I/O
Timer_A, compare: Out1 output
General-purpose digital I/O pin
P1.7/TA2 19 19 L1 I/O
Timer_A, compare: Out2 output
General-purpose digital I/O pin
P2.0/ACLK/CA2 20 20 M1 I/O
ACLK output/Comparator_A input
General-purpose digital I/O pin
P2.1/TAINCLK/CA3 21 21 M2 I/O
Timer_A, clock signal at INCLK
General-purpose digital I/O pin
Timer_A, capture: CCI0B input
P2.2/CAOUT/TA0/CA4 22 22 M3 I/O
Comparator_A output
BSL receive
Comparator_A input
General-purpose digital I/O pin
P2.3/CA0/TA1 23 23 L3 I/O
Timer_A, compare: Out1 output
Comparator_A input
General-purpose digital I/O pin
P2.4/CA1/TA2 24 24 L4 I/O
Timer_A, compare: Out2 output
Comparator_A input
General-purpose digital I/O pin
P2.5/R
OSC
/CA5 25 25 M4 I/O
Input for external resistor defining the DCO nominal frequency
Comparator_A input
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