MSP430x11x2, MSP430x12x2
MIXED SIGNAL MICROCONTROLLER
SLAS361D − JANUARY 2002 − REVISED AUGUST 2004
functional block diagram, MSP430x11x2
XIN
XOUT
V
CC
V
SS
RST/NMI
P1/JTAG
P2
8
R
OSC
Oscillator
System
Clock
ACLK
SMCLK
8KB Flash
4KB Flash
256B RAM
256B RAM
ADC10
10-Bit
Autoscan
DTC
I/O Port 1
8 I/Os, with
Interrupt
Capability
6
I/O Port 2
6 I/Os, with
Interrupt
Capability
MCLK
MAB,
4 Bit
MCB
Emulation
Module
Test
JTAG
CPU
Incl. 16 Reg.
MAB,MAB, 16-Bit
16 Bit
MDB, 16-Bit
MDB, 16 Bit
Bus
Conv
MDB, 8 Bit
TEST
Watchdog
Timer
15/16-Bit
Timer_A3
3 CC Reg
POR/
Brownout
functional block diagram, MSP430x12x2
XIN
XOUT
V
CC
V
SS
RST/NMI
P1/JTAG
P2
P3
8
R
OSC
Oscillator
System
Clock
ACLK
SMCLK
8KB Flash
4KB Flash
256B RAM
256B RAM
ADC10
10-Bit
Autoscan
DTC
I/O Port 1
8 I/Os, with
Interrupt
Capability
6
I/O Port 2
6 I/Os, with
Interrupt
Capability
8
I/O Port 3
8 I/Os
MCLK
MAB,
4 Bit
MCB
Emulation
Module
Test
JTAG
CPU
Incl. 16 Reg.
MAB,MAB, 16-Bit
16 Bit
MDB, 16-Bit
MDB, 16 Bit
Bus
Conv
MDB, 8 Bit
TEST
Watchdog
Timer
15/16-Bit
Timer_A3
3 CC Reg
POR/
Brownout
USART0
UART Mode
SPI Mode
4
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