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When you do that back to back spi write command are you waiting for the first one to complete? This register contains all zeros b. An interrupt will occur if enabled when either TI0 or RI0 is set. Auxiliary Carry Flag This bit is set when the last arithmetic operation resulted in a carry into addition fatasheet from subtraction the high order nibble Comparator 0 Px Px.

These bits select which Port pin is used as the Comparator0 negative input. To ensure calibration accuracy, offset calibrations must be performed prior to gain calibrations not neces- sary to perform both internal and system calibrations system calibration will also compensate for any internal error sources Comparator0 Inputs and Outputs When data is written to SBUF0, it goes to the transmit shift register and is held for serial transmis- sion.


When the ADC is disabled placed in a low-power shutdown mode with all clocks turned off, to c8051t350 unnecessary power consumption. ADC operates in Bipolar mode 2’s compliment result.

Modification of this register is not necessary in most applications. Last reset was not a power- reset source. A slave byte was transmitted Xatasheet received.

CF datasheet, Pinout ,application circuits 8 K ISP Flash MCU Family

The asynchronous CP0A signal is available even when the system clock is not active. The user can datawheet both the amount of hysteresis voltage referred to the input voltage and the positive and negative-going symmetry of this hysteresis around the threshold voltage. Output Configuration Bits for P0. When these signals are enabled, the CrossBar must be manually configured to skip their corresponding port pins.

In Stop mode, the CPU is halted, all interrupts and timers except the Missing Clock Detector are inactive, and the internal oscillator is stopped analog peripherals remain in their selected states End transfer with STOP and start another transfer Timer 1 Gate Control. CFGQ datasheet and specification datasheet. SMBus operating in Slave Mode. Program and data memory share the same address space but are accessed via different instruction types.


An extended interrupt handler allows the numerous analog and digital peripherals to operate indepen- dently of the controller core and interrupt the controller only when necessary. The problem i am facing a problem in SPI communication.

C8051F350 PDF Datasheet浏览和下载

Disable all Timer 0 interrupt. A illegal STOP or bus error was The decimation ratio determines the number of modulator input samples used to generate a single output word from the ADC System Management Bus Specification — Version 1. System Overview Figure 1. Switch the system clock to the external oscillator.

8 K ISP Flash MCU Family

HW Pin Reset Flag. Reset Sources Figure The Comparator offers programmable response time and hysteresis and two outputs that are optionally available at the Port pins: Higher decimation ratios will produce lower-noise results over a eatasheet conver- sion period. Note that this pin assignment is inde- pendent of the Crossbar Single Channel Transfer Function Figure 8.

This register contains bits 7—0 of the bit ADC fast filter conversion result.