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ADUC832,pdf datasheet (with Em
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大小:571 |
2009-09-04
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The ADuC832 is a complete smart transducer front end, integrating
a high performance self-calibrating multichannel 12-bit ADC,
dual 12-bit DACs, and programmable 8-bit MCU on a single chip.
The device operates from a 32 kHz crystal with an on-chip PLL
generating a high frequency clock of 16.77 MHz. This clock is, in
turn, routed through a programmable clock divider from which
the MCU core clock operating frequency is generated. The microcontroller
core is an 8052 and therefore 8051 instruction set
compatible with 12 core clock periods per machine cycle. 62 kBytes
of nonvolatile Flash/EE program memory are provided on-chip.
4 kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM,
and 2 kBytes of extended RAM are also integrated on-chip.
The ADuC832 also incorporates additional analog functionality
with two 12-bit DACs, power supply monitor, and a band gap
reference. On-chip digital peripherals include two 16-bit -
DACs, dual output 16-bit PWM, watchdog timer, time interval
counter, three timers/counters, Timer 3 for baud rate generation,
and serial I/O ports (SPI, I2C, and UART)
a high performance self-calibrating multichannel 12-bit ADC,
dual 12-bit DACs, and programmable 8-bit MCU on a single chip.
The device operates from a 32 kHz crystal with an on-chip PLL
generating a high frequency clock of 16.77 MHz. This clock is, in
turn, routed through a programmable clock divider from which
the MCU core clock operating frequency is generated. The microcontroller
core is an 8052 and therefore 8051 instruction set
compatible with 12 core clock periods per machine cycle. 62 kBytes
of nonvolatile Flash/EE program memory are provided on-chip.
4 kBytes of nonvolatile Flash/EE data memory, 256 bytes RAM,
and 2 kBytes of extended RAM are also integrated on-chip.
The ADuC832 also incorporates additional analog functionality
with two 12-bit DACs, power supply monitor, and a band gap
reference. On-chip digital peripherals include two 16-bit -
DACs, dual output 16-bit PWM, watchdog timer, time interval
counter, three timers/counters, Timer 3 for baud rate generation,
and serial I/O ports (SPI, I2C, and UART)
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