Datasheet

Table Of Contents
MSP430x43x1, MSP430x43x, MSP430x44x1, MSP430x44x
MIXED SIGNAL MICROCONTROLLER
SLAS344G − JANUARY 2002 − REVISED OCTOBER 2009
10
POST OFFICE BOX 655303 DALLAS, TEXAS 75265
MSP430x44x1 functional block diagram
Comparator_
A
DV
CC1/2
DV
SS1/2
AV
CC
AV
SS
RST/NMI
P2
Flash
60KB
48KB
RAM
2KB
Watchdog
Timer
WDT
15/16-Bit
Port 2
8 I/O
Interrupt
Capability
POR/
SVS/
Brownout
Basic
Timer 1
1 Interrupt
Vector
LCD
160
Segments
1,2,3,4 MUX
f
LCD
8
MCLK
XOUT
JTAG
Interface
XIN
SMCLK
ACLK
MDB
MAB
Emulation
P3
Port 3
8 I/O
8
Module
Timer_A3
3 CC Reg
P1
Port 1
8 I/O
Interrupt
Capability
8
P5
Port 5
8 I/O
8
P6
Port 6
6 I/O
8
P4
Port 4
8 I/O
8
Timer_B7
7 CC Reg
Shadow
Reg
USART0
USART1
UART Mode
SPI Mode
XT2IN
XT2OUT
Oscillator
FLL+
8 MHz
CPU
incl. 16
Registers
Hardware
Multiplier
MPY, MPYS
MAC,MACS
MSP430x44x functional block diagram
Comparator_
A
DV
CC1/2
DV
SS1/2
AV
CC
AV
SS
RST/NMI
P2
Flash
60KB
48KB
32KB
RAM
2KB
1KB
Watchdog
Timer
WDT
15/16-Bit
Port 2
8 I/O
Interrupt
Capability
POR/
SVS/
Brownout
Basic
Timer 1
1 Interrupt
Vector
LCD
160
Segments
1,2,3,4 MUX
f
LCD
8
MCLK
XOUT
JTAG
Interface
XIN
SMCLK
ACLK
MDB
MAB
Emulation
P3
Port 3
8 I/O
8
Module
Timer_A3
3 CC Reg
P1
Port 1
8 I/O
Interrupt
Capability
8
P5
Port 5
8 I/O
8
P6
Port 6
6 I/O
8
P4
Port 4
8 I/O
8
Timer_B7
7 CC Reg
Shadow
Reg
USART0
USART1
UART Mode
SPI Mode
XT2IN
XT2OUT
ADC12
12-Bit
8 Channels
<10µs Conv.
Oscillator
FLL+
8 MHz
CPU
incl. 16
Registers
Hardware
Multiplier
MPY, MPYS
MAC,MACS