80C52 DATASHEET PDF

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80C52 datasheet, 80C52 circuit, 80C52 data sheet: INTEL – CHMOS SINGLE- CHIP 8-BIT MICROCONTROLLER,alldatasheet, datasheet, Datasheet search site. 8XC52 54 CHMOS SINGLE-CHIP 8-BIT MICROCONTROLLER. Commercial Express. 87C52 80C52 80C32 87C54 80C54 87C58 80C See Table 1 for. TEMIC’s 80C52 and 80C32 are high performance CMOS versions of the .. maximum high and low times specified on the Data Sheet must be observed.

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Port 1 pins that have 1’s written to them are pulled high by the internal pullups, and in that state can be used as inputs.

In the power down mode the RAM is saved and all other functions are inoperative.

Double Baud rate bit. As inputs, Port 2 pins that are externally being pulled low will source current ILL, on the data sheet because of the internal pullups.

Setting this bit activates idle mode operation. Port 0 is also the multiplexed low-order address and data bus during accesses to external Program and Data Memory.

Romless version of the 80C Idle mode operation allows the interrupt, serial port, and timer blocks to continue to function, while the clock to the CPU is gated off. Its hardware address is 87H.

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For other speed and temperature range availability please consult your 80c522 office. D 6 interrupt sources. Idle and Power Down Hardware.

Port 0 pins that have 1’s written to them float, and in that state can be used as high-impedance inputs. Setting this bit activates power down operation. As soon as the Reset is. PCON is not bit addressable. EA must not be floated. Port 3 pins that have 1’s written to them are pulled high by the internal pullups, and in that state can be used as inputs. The 80C52 retains all the features of the 80c522 This operation is achieved asynchronously even if the oscillator does not start-up.

When set to a 1, the baud rate is doubled when the serial daatasheet is being used in either modes 1, 2 or 3. D Programmable serial port. Figure 3 shows the datsheet Idle 80v52 Power Down clock configuration.

Receives the external oscillator signal when an external oscillator is used. Output of the inverting amplifier that forms the oscillator. D 64 K program memory space. It also receives the high-order address bits and control signals during program verification in the 80C D Power control modes.

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80C52 Datasheet PDF –

Port 1 also receives the low-order address byte during program verification. Port 0 also outputs the code bytes during program verification in the 80C In this application, it uses strong internal pullups when emitting 1’s. Search field Datasheer name Part description. The instruction that sets PCON.

Document Outline

Program Store Enable output is the read strobe to external Program Memory. Supply voltage during normal, Idle, and Power Down operation.

D Fully static design.

As inputs, Port 3 pins that datwsheet externally being pulled low will source current ILL, on the data sheet because of the pullups. As illustrated, Power Down operation stops the oscillator. Package sizes are not to scale. Address Latch Enable output for latching the low byte of the address during accesses to external memory.

Diagrams are for reference only. Once in the Idle mode the CPU status is preserved in its entirety: