MSP430x22x2, MSP430x22x4
MIXED SIGNAL MICROCONTROLLER
SLAS504A 鈭?JULY 2006 鈭?REVISED DECEMBER 2006
timer_B3
Timer_B3 is a 16-bit timer/counter with three capture/compare registers. Timer_B3 can support multiple
capture/compares, PWM outputs, and interval timing. Timer_B3 also has extensive interrupt capabilities.
Interrupts may be generated from the counter on overflow conditions and from each of the capture/compare
registers.
Timer_B3 Signal Connections
Input
Pin Number
DA
24 - P4.7
RHA
22 - P4.7
TBCLK
ACLK
SMCLK
24 - P4.7
17 - P4.0
20 - P4.3
22 - P4.7
15 - P4.0
18 - P4.3
TBCLK
TB0
TB0
VSS
VCC
18 - P4.1
21 - P4.4
16 - P4.1
19 - P4.4
TB1
TB1
VSS
VCC
19 - P4.2
17 - P4.2
TB2
ACLK (internal)
VSS
VCC
TBCLK
ACLK
SMCLK
INCLK
CCI0A
CCI0B
GND
VCC
CCI1A
CCI1B
GND
VCC
CCI2A
CCI2B
GND
VCC
CCR2
TB2
CCR1
TB1
CCR0
TB0
17 - P4.0
20 - P4.3
15 - P4.0
18 - P4.3
Timer
NA
Device
Input Signal
Module
Input Name
Module
Block
Module
Output Signal
DA
Output
Pin Number
RHA
18 - P4.1
21 - P4.4
16 - P4.1
19 - P4.4
19 - P4.2
22 - P4.5
17 - P4.2
20 - P4.5
USCI
The universal serial communication interface (USCI) module is used for serial data communication. The USCI
module supports synchronous communication protocols like SPI (3 or 4 pin), I2C and asynchronous
communication protocols like UART, enhanced UART with automatic baudrate detection (LIN), and IrDA.
USCI_A0 provides support for SPI (3 or 4 pin), UART, enhanced UART and IrDA.
USCI_B0 provides support for SPI (3 or 4 pin) and I2C.
POST OFFICE BOX 655303
鈥?/div>
DALLAS, TEXAS 75265
19
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