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T48C862-R4 Folha de dados(PDF) 93 Page - ATMEL Corporation

Nome de Peças T48C862-R4
Descrição Electrónicos  Microcontroller with UHF ASK/FSK Transmitter
PDF  107 Pages
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Fabricante Electrônico  ATMEL [ATMEL Corporation]
Página de início  http://www.atmel.com
Logo ATMEL - ATMEL Corporation

T48C862-R4 Folha de dados(HTML) 93 Page - ATMEL Corporation

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T48C862-R4 [Preliminary]
4551C–4BMCU–01/04
Read Control Bytes
A -> acknowledge, N -> no acknowledge; HB: high byte; LB: low byte, R: row address
Initialization the Serial
Interface to the EEPROM
To prevent unexpected behavior of he EEPROM and its interface it is good practice to
use an initialization sequence after any reset of the circuit. This is performed by writing:
to the serial interface. If the EEPROM acknowledges this sequence it is in a defined
state. Maybe it is necessary to perform this sequence twice.
MSB
LSB
Read low byte first,
address increment
A4
A3
A2
A1
A0
C1
C0
R/NW
Row address
0
1
1
Byte order
LB(R)
HB(R)
LB(R+1)
HB(R+1)
–
LB(R+n)
HB(R+n)
MSB
LSB
Read high byte first,
address decrement
A4
A3
A2
A1
A0
C1
C0
R/NW
Row address
1
0
1
Byte order
HB(R)
LB(R)
HB(R-1)
LB(R-1)
–
HB(R-n)
LB(R-n)
Start
"FFh"
A Stop



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