MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504A 鈭?JULY 2006 鈭?REVISED DECEMBER 2006
Terminal Functions, MSP430x22x2 (Continued)
TERMINAL
NAME
P3.5/
UCA0RXD/UCA0SOMI
P3.6/A6
P3.7/A7
P4.0/TB0
P4.1/TB1
P4.2/TB2
P4.3/TB0/
A12
P4.4/TB1
A13
P4.5/TB2
A14
P4.6/TBOUTH
A15
P4.7/TBCLK
RST/NMI/SBWTDIO
TEST/SBWTCK
DA
NO.
26
27
28
17
18
19
20
RHA
NO.
24
25
26
15
16
17
18
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
DESCRIPTION
General-purpose digital I/O pin
USCI_A0 receive data input in UART mode, slave out/master in in SPI mode
General-purpose digital I/O pin
ADC10 analog input A6
General-purpose digital I/O pin
ADC10 analog input A7
General-purpose digital I/O pin
Timer_B, capture: CCI0A input, compare: OUT0 output
General-purpose digital I/O pin
Timer_B, capture: CCI1A input, compare: OUT1 output
General-purpose digital I/O pin
Timer_B, capture: CCI2A input, compare: OUT2 output
General-purpose digital I/O pin
Timer_B, capture: CCI0B input, compare: OUT0 output
ADC10 analog input A12
General-purpose digital I/O pin
Timer_B, capture: CCI1B input, compare: OUT1 output
ADC10 analog input A13
General-purpose digital I/O pin
Timer_B, compare: OUT2 output
ADC10 analog input A14
General-purpose digital I/O pin
Timer_B, switch all TB0 to TB3 outputs to high impedance
ADC10 analog input A15
General-purpose digital I/O pin
Timer_B, clock signal TBCLK input
Reset or nonmaskable interrupt input
Spy-Bi-Wire test data input/output during programming and test
Selects test mode for JTAG pins on Port1. The device protection fuse is
connected to TEST.
Spy-Bi-Wire test clock input during programming and test
Digital supply voltage
Analog supply voltage
Digital ground reference
Analog ground reference
NA
QFN package pad; connection to DVSS recommended.
21
19
I/O
22
20
I/O
23
21
I/O
24
7
1
22
5
37
I/O
I
I
DVCC
AVCC
DVSS
AVSS
QFN Pad
2
16
4
15
NA
38, 39
14
1, 4
13
Package
Pad
鈥?TDO or TDI is selected via JTAG instruction.
NOTE: If XOUT/P2.7/CA7 is used as an input, excess current will flow until P2SEL.7 is cleared. This is due to the oscillator output driver
connection to this pad after reset.
8
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
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