Datasheet

Clock
System
Brownout
Protection
RST/NMI
DVCC DVSS
MCLK
Watchdog
WDT+
15-Bit
Timer0_A2
2 CC
Registers
16MHz
CPU
incl. 16
Registers
Emulation
2BP
JTAG
Interface
SMCLK
ACLK
MDB
MAB
Port P1
8 I/O
Interrupt
capability
pull-up/down
resistors
P1.x
8
Spy-Bi
Wire
XIN
XOUT
RAM
128B
Flash
2kB
1kB
ADC
10-Bit
8 Ch.
Autoscan
1 ch DMA
P2.x
Port P2
2 I/O
Interrupt
capability
pull-up/down
resistors
2
USI
Universal
Serial
Interface
SPI, I2C
Clock
System
Brownout
Protection
RST/NMI
DVCC DVSS
MCLK
Watchdog
WDT+
15-Bit
Timer0_A2
2 CC
Registers
16MHz
CPU
incl. 16
Registers
Emulation
2BP
JTAG
Interface
SMCLK
ACLK
MDB
MAB
Port P1
8 I/O
Interrupt
capability
pull-up/down
resistors
P1.x
8
Spy-Bi
Wire
XIN
XOUT
RAM
128B
Flash
2KB
1KB
P2.x
Port P2
2 I/O
Interrupt
capability
pull-up/down
resistors
2
USI
Universal
Serial
Interface
SPI, I2C
MSP430G2x31
MSP430G2x21
www.ti.com SLAS694J –FEBRUARY 2010–REVISED FEBRUARY 2013
Functional Block Diagram, MSP430G2x21
Functional Block Diagram, MSP430G2x31
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