Clock
System
Brownout
Protection
RST/NMI
DVCC
DVSS
MCLK
Watchdog
WDT+
15-Bit
Timer0_A3
3 CC
registers
16-MHz
CPU
including
16 registers
Emulation
2BP
JTAG
interface
SMCLK
ACLK
Port P1
8 I/Os,
interrupt
capability,
pullup or
pulldown
resistors
P1.x
8
P2.x
Port P2
8 I/Os,
interrupt
capability,
pullup or
pulldown
resistors
Spy-Bi-
Wire
Timer1_A3
3 CC
registers
XIN XOUT
Port P3
8 I/Os,
pullup or
pulldown
resistors
P3.x
8
8
RAM
256B
Flash
8KB
4KB
2KB
USCI A0
UART,
LIN, IrDA,
SPI
USCI B0
SPI, I C
2
MDB
MAB
Copyright © 2016, Texas Instruments Incorporated
3
MSP430G2533, MSP430G2433, MSP430G2333, MSP430G2233
MSP430G2403, MSP430G2303, MSP430G2203
www.ti.com
SLAS734G – APRIL 2011 – REVISED APRIL 2016
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MSP430G2533 MSP430G2433 MSP430G2333 MSP430G2233 MSP430G2403 MSP430G2303
MSP430G2203
Device Overview
Copyright © 2011–2016, Texas Instruments Incorporated
Figure 1-2
shows the functional block diagram of the MSP430G2x03 MCUs.
NOTE: Port P3 is available on 28-pin and 32-pin devices only.
Figure 1-2. Functional Block Diagram, MSP430G2x03