MSP430x15x, MSP430x16x, MSP430x161x
MIXED SIGNAL MICROCONTROLLER
SLAS368D− OCTOBER 2002− REVISED MARCH 2005
functional block diagrams
MSP430x15x
XIN
XOUT
DVCC
DVSS
AVCC
AVSS RST/NMI
P1
P2
P3
P4
P5
P6
8
ROSC
XT2IN
XT2OUT
Oscillator
System
Clock
ACLK
32KB Flash
1KB RAM
1KB RAM
512B RAM
ADC12
12-Bit
8 Channels
<10µs Conv.
DAC12
12-Bit
2 Channels
Voltage out
8
8
I/O Port 3/4
16 I/Os
8
8
8
SMCLK 24KB Flash
16KB Flash
I/O Port 1/2
16 I/Os,
with
Interrupt
Capability
I/O Port 5/6
16 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
4
TMS
TCK
TDI/TCLK
TDO/TDI
DMA
Controller
3 Channels
Watchdog
Timer
15/16-Bit
Timer_B3
3 CC Reg
Shadow
Reg
Timer_A3
3 CC Reg
POR
SVS
Brownout
Comparator
A
USART0
UART Mode
SPI Mode
I2C Mode
MSP430x16x
XIN
XOUT
DVCC
DVSS
AVCC
AVSS RST/NMI
P1
P2
P3
P4
P5
P6
8
ROSC
XT2IN
XT2OUT
Oscillator
System
Clock
ACLK
60KB Flash
2KB RAM
2KB RAM
1KB RAM
ADC12
12-Bit
8 Channels
<10µs Conv.
DAC12
12-Bit
2 Channels
Voltage out
8
8
I/O Port 3/4
16 I/Os
8
8
8
SMCLK 48KB Flash
32KB Flash
I/O Port 1/2
16 I/Os,
with
Interrupt
Capability
I/O Port 5/6
16 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
4
TMS
TCK
TDI/TCLK
TDO/TDI
Hardware
Multiplier
MPY, MPYS
MAC,MACS
DMA
Controller
3 Channels
Watchdog
Timer
15/16-Bit
Timer_B7
7 CC Reg
Shadow
Reg
Timer_A3
3 CC Reg
POR
SVS
Brownout
Comparator
A
USART0
UART Mode
SPI Mode
I2C Mode
USART1
UART Mode
SPI Mode
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