LZ8519X 데이터 시트보기 (PDF) - Sharp Electronics

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LZ8519X

IrDA Control Peripheral Engine (PE)

Sharp Electronics 

PRODUCT INFORMATION

48-PIN SOP

OPEN 1

FECNT 2

FERESET 3

IRRx2 4

GND 5

IRRx1 6

GND 7

IRTx 8

VDD 9

IRTxBIAS 10

IRTxLPFC 11

GND 12

®

36 OPEN

35 RESETB

34 VDD

33 X2

32 X1

31 GND

30 SCK

29 SI

28 SO

27 CMD

26 MSG

25 RDY

BLOCK DIAGRAM

INTC

CTC

CPU

ROM

TIMER

SS-WIRE

IrDA

CONTROL

RAM

8519X-2

8519X-1

PIN DESCRIPTION

PIN NAME

SI

SO

SCK

MSG

RDY

CMD

IRTx

IRTxBIAS

IRTxLPFC

IRRx1

IRRx2

FECNT

FERESET

RESETB

X1

X2

I/O

Input

Output

Input

Output

Output

Input

Output

Output

Output

Input

Input

Output

Output

Input

Input

Output

DESCRIPTION

Serial data input

Serial data output

Clock signal for serial data

MSG = H indicates the PE holds messages. µP must issue Get_Message command and read in the message.

When PE no longer holds messages, PE outputs MSG = L

Signal for flow control

Timing signal for command ID

Connected to TXD pinout of Infrared Transceiver (P/N: GP2W2001YK)

N/C

N/C

Connected to VO pinout of Infrared Transceiver (P/N: GP2W2001YK)

N/C

Connected to SD pinout of Infrared Transceiver (P/N: GP2W2001YK)

Connected to RESET pinout of Infrared Transceiver (P/N: GP2W2001YK)

Hardware reset signal

Clock input. Clock of 6 MHz must be input

NC

LZ8519X IrDA Control Peripheral Engine (PE)

2

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