Datasheet

ManualsBrandsTEXAS INSTRUMENTS ManualsMicrocontrollers, Microprocessors & QuartzesEmbedded microcontroller LQFP 64 (10x10) 16-Bit 16 MHz I/O number 48

MSP430F261x

MSP430F241x

www.ti.com

SLAS541K –JUNE 2007–REVISED NOVEMBER 2012

Table 2. Terminal Functions (continued)

TERMINAL

NO.

I/O DESCRIPTION

NAME

64 80 113

PIN PIN PIN

P7.5 59 B12 I/O General-purpose digital I/O pin

P7.6 60 A12 I/O General-purpose digital I/O pin

P7.7 61 A11 I/O General-purpose digital I/O pin

P8.0 62 B10 I/O General-purpose digital I/O pin

P8.1 63 A10 I/O General-purpose digital I/O pin

P8.2 64 D9 I/O General-purpose digital I/O pin

P8.3 65 A9 I/O General-purpose digital I/O pin

P8.4 66 B9 I/O General-purpose digital I/O pin

P8.5 67 B8 I/O General-purpose digital I/O pin

General-purpose digital I/O pin

P8.6/XT2OUT 68 A8 I/O

Output terminal of crystal oscillator XT2

General-purpose digital I/O pin

P8.7/XT2IN 69 A7 I/O

Input port for crystal oscillator XT2. Only standard crystals can be connected.

XT2OUT 52 O Output terminal of crystal oscillator XT2

XT2IN 53 I Input port for crystal oscillator XT2

Reset input, nonmaskable interrupt input port, or bootstrap loader start (in

RST/NMI 58 74 B5 I

flash devices)

Test clock (JTAG). TCK is the clock input port for device programming test

TCK 57 73 A5 I

and bootstrap loader start

Test data input or test clock input. The device protection fuse is connected to

TDI/TCLK 55 71 A6 I

TDI/TCLK.

Test data output port. TDO/TDI data output or programming data input

TDO/TDI 54 70 B7 I/O

terminal.

Test mode select. TMS is used as an input port for device programming and

TMS 56 72 B6 I

test.

eREF+

/DAC0

(3)

10 10 F2 I

Input for an external reference voltage/DAC12.0 output

REF+

7 7 E2 O Output of positive terminal of the reference voltage in the ADC12

Negative terminal for the reference voltage for both sources, the internal

REF-

eREF-

11 11 G1 I

reference voltage or an external applied reference voltage

Input port for crystal oscillator XT1. Standard or watch crystals can be

XIN 8 8 E1 I

connected.

Output port for crystal oscillator XT1. Standard or watch crystals can be

XOUT 9 9 F1 O

connected.

Reserved - -

(4)

NA Reserved pins. Connection to DV

, AV

recommended.

(3) MSP430F261x devices only

(4) Reserved pins are L2, E4, F4, G4, H4, D5, E5, F5, G5, H5, J5, D6, E6, H6, J6, D7, E7, H7, J7, D8, E8, F8, G8, H8, J8, E9, F9, G9, H9,

B11, L11.