PCIF0 datasheet(240/294 Pages) ATMEL

Nome de Peças	PCIF0

Descrição Electrónicos	High Performance, Low Power Atmel AVR 8-bit Microcontroller Advanced RISC Architecture

PDF	294 Pages

Scroll/Zoom	100%

Fabricante Electrônico	ATMEL [ATMEL Corporation]

Página de início	http://www.atmel.com

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240 / 294 page

240

9219A–RFID–01/11

Atmel ATA5505 [Preliminary]

Figure 22-1. Parallel programming

Note:

VCC - 0.3V < AVCC < VCC + 0.3V, however, AVCC should always be within 4.5 - 5.5V

Table 22-9.

Pin Name Mapping

Signal Name in

Programming Mode

Pin Name

I/O

Function

PB0

Write Pulse (Active low).

XA0

PB1

XTAL1 Action Bit 0

XA1 / BS2

PB2

- XTAL1 Action Bit 1

- Byte Select 2

(“0” selects low byte, “1” selects 2’nd high byte)

PAGEL / BS1

PB3

- Program Memory and EEPROM data Page Load

- Byte Select 1

(“0” selects low byte, “1” selects high byte)

PB4

XTAL1 (Clock input)

PB5

Output Enable (Active low).

RDY / BSY

PB6

0: Device is busy programming,

1: Device is ready for new command.

+12V

PB7

- Reset (Active low)

- Parallel programming mode (+12V).

DATA

PA7-PA0

I/O

Bi-directional Data bus (Output when OE is low).

Vcc

+4.5 - +5.5V

GND

PB0

PB1

PB2

PB3

PA7 - PA0

DATA

RESET / PB7

XTAL1 / PB4

+12 V

XA0

XA1 / BS2

PAGEL / BS1

PB6

RDY / BSY

AVcc

+4.5 - +5.5V

PB5

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