Datasheet
Table Of Contents
- features
- description
- AVAILABLE OPTIONS
- DEVELOPMENT TOOL SUPPORT
- pin designation, MSP430xG461xIPZ
- pin designation, MSP430xG461xIZQW (top view)
- functional block diagram
- Terminal Functions
- short-form description
- CPU
- instruction set
- operating modes
- interrupt vector addresses
- special function registers (SFRs)
- memory organization
- bootstrap loader (BSL)
- flash memory
- peripherals
- DMA controller
- oscillator and system clock
- brownout, supply voltage supervisor
- brownout, supply voltage supervisor
- digital I/O
- Basic Timer1 and Real-Time Clock
- LCD_A drive with regulated charge pump
- watchdog timer (WDT+)
- universal serial communication interface (USCI)
- USART1
- hardware multiplier
- Timer_A3
- Timer_B7
- Comparator_A
- ADC12
- DAC12
- OA
- peripheral file map
- absolute maximum ratings over operating free-air temperature
- recommended operating conditions
- electrical characteristics
- supply current into AVCC + DVCC excluding external current
- supply current into AVCC + DVCC excluding external current
- Schmitt-trigger inputs -- Ports P1 to P10, RST/NMI, JTAG (TCK, TMS, TDI/TCLK, TDO/TDI)
- inputs Px.x, TAx, TBx
- leakage current -- Ports P1 to P10
- outputs -- Ports P1 to P10
- output frequency
- wake-up LPM3
- RAM
- LCD_A
- Comparator_A
- POR/brownout reset (BOR)
- SVS (supply voltage supervisor/monitor)
- DCO
- crystal oscillator, LFXT1 oscillator
- crystal oscillator, LFXT1 oscillator
- crystal oscillator, XT2 oscillator
- USCI (UART mode)
- USCI (SPI master mode)
- USCI (SPI slave mode)
- USCI (I2C mode)
- USART1
- 12-bit ADC, power supply and input range conditions
- 12-bit ADC, power supply and input range conditions
- 12-bit ADC, external reference
- 12-bit ADC, built-in reference
- 12-bit ADC, timing parameters
- 12-bit ADC, linearity parameters
- 12-bit ADC, temperature sensor and built-in VMID
- 12-bit DAC, supply specifications
- 12-bit DAC, linearity specifications
- 12-bit DAC, output specifications
- 12-bit DAC, reference input specifications
- 12-bit DAC, dynamic specifications; Vref = VCC, DAC12IR = 1
- operational amplifier OA, supply specifications
- operational amplifier OA, input/output specifications
- operational amplifier OA, dynamic specifications
- operational amplifier OA feedback network, noninverting amplifier mode (OAFCx = 4)
- operational amplifier OA feedback network, inverting amplifier mode (OAFCx = 6)
- flash memory (MSP430FG461x devices only)
- JTAG interface
- JTAG fuse
- APPLICATION INFORMATION
- input/output schematics
- Port P1, P1.0 to P1.5, input/output with Schmitt trigger
- Port P1 (P1.0 to P1.5) pin functions
- Port P1, P1.6, P1.7, input/output with Schmitt trigger
- Port P1 (P1.6 and P1.7) pin functions
- port P2, P2.0 to P2.3, P2.6 to P2.7, input/output with Schmitt trigger
- Port P2 (P2.0, P2.1, P2.2, P2.3, P2.6 and P2.7) pin functions
- port P2, P2.4 to P2.5, input/output with Schmitt trigger
- Port P2 (P2.4 and P2.5) pin functions
- port P3, P3.0 to P3.3, input/output with Schmitt trigger
- Port P3 (P3.0 to P3.3) pin functions
- port P3, P3.4 to P3.7, input/output with Schmitt trigger
- Port P3 (P3.4 to P3.7) pin functions
- port P4, P4.0 to P4.1, input/output with Schmitt trigger
- Port P4 (P4.0 to P4.1) pin functions
- port P4, P4.2 to P4.7, input/output with Schmitt trigger
- Port P4 (P4.2 to P4.5) pin functions
- port P5, P5.0, input/output with Schmitt trigger
- Port P5 (P5.0) pin functions
- port P5, P5.1, input/output with Schmitt trigger
- Port P5 (P5.1) pin functions
- port P5, P5.2 to P5.4, input/output with Schmitt trigger
- Port P5 (P5.2 to P5.4) pin functions
- port P5, P5.5 to P5.7, input/output with Schmitt trigger
- Port P5 (P5.5 to P5.7) pin functions
- port P6, P6.0, P6.2, and P6.4, input/output with Schmitt trigger
- Port P6 (P6.0, P6.2, and P6.4) pin functions
- port P6, P6.1, P6.3, and P6.5 input/output with Schmitt trigger
- Port P6 (P6.1, P6.3, and P6.5) pin functions
- port P6, P6.6, input/output with Schmitt trigger
- Port P6 (P6.6) pin functions
- port P6, P6.7, input/output with Schmitt trigger
- Port P6 (P6.7) pin functions
- port P7, P7.0 to P7.3, input/output with Schmitt trigger
- Port P7 (P7.0 to P7.1) pin functions
- port P7, P7.4 to P7.7, input/output with Schmitt trigger
- Port P7 (P7.4 to P7.5) pin functions
- port P8, P8.0 to P8.7, input/output with Schmitt trigger
- Port P8 (P8.0 to P8.1) pin functions
- Port P8 (P8.6 to P8.7) pin functions
- port P9, P9.0 to P9.7, input/output with Schmitt trigger
- Port P9 (P9.0 to P9.1) pin functions
- port P10, P10.0 to P10.5, input/output with Schmitt trigger
- Port P10 (P10.0 to P10.1) pin functions
- port P10, P10.6, input/output with Schmitt trigger
- Port P10 (P10.6) pin functions
- port P10, P10.7, input/output with Schmitt trigger
- Port P10 (P10.7) pin functions
- VeREF+/DAC0
- JTAG pins TMS, TCK, TDI/TCLK, TDO/TDI, input/output with Schmitt trigger or output
- JTAG fuse check mode
- input/output schematics
- Data Sheet Revision History
MSP430xG461x
MIXED SIGNAL MICROCONTROLLER
SLAS508I − APRIL 2006 − REVISED MARCH 2011
14
POST OFFICE BOX 655303 • DALLAS, TEXAS 75265
special function registers (SFRs)
The MSP430 SFRs are located in the lowest address space and are organized as byte mode registers. SFRs
should be accessed with byte instructions.
interrupt enable 1 and 2
7654 0
OFIE WDTIE
321
rw–0 rw–0 rw–0
Address
0h ACCVIE NMIIE
rw–0
WDTIE Watchdog-timer interrupt enable. Inactive if watchdog mode is selected.
Active if watchdog timer is configured as a general-purpose timer.
OFIE Oscillator-fault-interrupt enable
NMIIE Nonmaskable-interrupt enable
ACCVIE Flash access violation interrupt enable
7654 0321
Address
01h
rw–0
BTIE UTXIE1 URXIE1
rw–0 rw–0
UCA0TXIE UCA0RXIE
rw–0 rw–0
UCB0TXIE UCB0RXIE
rw–0 rw–0
UCA0RXIE USCI_A0 receive-interrupt enable
UCA0TXIE USCI_A0 transmit-interrupt enable
UCB0RXIE USCI_B0 receive-interrupt enable
UCB0TXIE USCI_B0 transmit-interrupt enable
URXIE1 USART1 UART and SPI receive-interrupt enable
UTXIE1 USART1 UART and SPI transmit-interrupt enable
BTIE Basic timer interrupt enable