AT89C5131 DATASHEET PDF

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AT89C Usb Cbased Microcontroller With 32K Bytes Flash, 1K Byte Data EePROM, Bytes Details, datasheet, quote on part number: AT89C AT89C datasheet, AT89C pdf, AT89C data sheet, datasheet, data sheet, pdf, Atmel, USB Cbased Microcontroller with 32K Bytes Flash. The AT90USBKey provides the following features: AT90USB QFN AVR Studio ® software interface (1). USB software interface for Device Firmware Upgrade.

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In standard versions, the Vref output voltage is equal to the internal. Alternate function of Port 3. T0, T1 and T2. VDD is used to supply the buffer ring on all versions of the device.

The clock controller outputs three different clocks as shown in Figure 5: Input to the on-chip inverting oscillator amplifier. VSS is used to supply the buffer ring and the digital core.

Interrupt Enable Control 1. P0, P1, P2, P3, P4. This module integrates the USB transceivers with a 3. Test mode entry signal. Control input for slave write access cycles. Alternate function of Port 1.

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This pin must be set to V DD for normal operation. AT89C has two software-selectable modes of reduced activity for further reduction. Port 0Port 1 Port 2 Port 3 Port 4.

AT89C5131-RDTIL Datasheet

Control input for slave port read access cycles. Power Signal Description Continued. These pins can be directly connected to the Cathode of standard LEDs. IE0 are set by a falling edge on INT0.

USB Development Board – Tips

Interrupt Priority Control Low 0. SCL output the serial clock to slave peripherals. Write signal asserted during external data memory write operation. Timer 0 Gate Input. When Timer 1 operates as a counter, a falling edge on the T1 pin. Data MSB for Slave port access used for bit mode only. The serial input is P3.

At9c5131 is a high-performance Flash version of the 80C51 single-chip 8-bit micro. The falling edge of ALE strobes the address into external latch. Address Latch Enable Output. It is also used to power the on-chip voltage regulator of the Standard.

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Value of capacitors and crystal characteristics are detailed in. Holding one of these pins high or low for 24 oscillator periods datashset a.

This pin has an internal pull-up resistor which allows the device to be reset. USB events or external interrupts. If an external oscillator is used, leave XTAL2 unconnected.

Programmable Counter Array Signal Description. It is latched during reset and. Interrupt Priority Control High 1. The serial output is P3. The typical current of each. All the internal clocks to the peripherals and CPU core are gen. The Port pins are driven to their reset conditions when a. Address Bus MSB for external access. If bit IT0 in this register is set, bits.