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MSP430C11X1 Datasheet(PDF) 10 Page - Texas Instruments |
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MSP430C11X1 Datasheet(HTML) 10 Page - Texas Instruments |
10 / 40 page MSP430C11x1, MSP430F11x1A MIXED SIGNAL MICROCONTROLLER SLAS241H − SEPTEMBER 1999 − REVISED SEPTEMBER 2004 10 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 peripherals Peripherals are connected to the CPU through data, address, and control busses and can be handled using all instructions. For complete module descriptions, refer to the MSP430x1xx Family User’s Guide, literature number SLAU049. oscillator and system clock The clock system is supported by the basic clock module that includes support for a 32768-Hz watch crystal oscillator, an internal digitally-controlled oscillator (DCO) and a high frequency crystal oscillator. The basic clock module is designed to meet the requirements of both low system cost and low-power consumption. The internal DCO provides a fast turn-on clock source and stabilizes in less than 6 µs. The basic clock module provides the following clock signals: D Auxiliary clock (ACLK), sourced from a 32768-Hz watch crystal or a high frequency crystal. D Main clock (MCLK), the system clock used by the CPU. D Sub-Main clock (SMCLK), the sub-system clock used by the peripheral modules. digital I/O There are two 8-bit I/O ports implemented—ports P1 and P2 (only six P2 I/O signals are available on external pins): D All individual I/O bits are independently programmable. D Any combination of input, output, and interrupt conditions is possible. D Edge-selectable interrupt input capability for all the eight bits of port P1 and six bits of port P2. D Read/write access to port-control registers is supported by all instructions. NOTE: Six bits of port P2, P2.0 to P2.5, are available on external pins − but all control and data bits for port P2 are implemented. watchdog timer The primary function of the watchdog timer (WDT) module is to perform a controlled system restart after a software problem occurs. If the selected time interval expires, a system reset is generated. If the watchdog function is not needed in an application, the module can be configured as an interval timer and can generate interrupts at selected time intervals. comparator_A The primary function of the comparator_A module is to support precision slope analog-to-digital conversions, battery-voltage supervision, and monitoring of external analog signals. |
Similar Part No. - MSP430C11X1_08 |
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Similar Description - MSP430C11X1_08 |
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