UPD77533 datasheet(19/104 Pages) RENESAS

Numer części	UPD77533

Szczegółowy opis	MOS INTEGRATED CIRCUIT

PDF	104 Pages

Scroll/Zoom	100%

Producent	RENESAS [Renesas Technology Corp]

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Data Sheet S15671EJ4V0DS

µµµµPD77533

3.2

Reset (Software Reset by Reset Command)

The internal parameters of the

µPD77533, except for the baud rate, are initialized by the Reset command (0x04)

from the host CPU.

Figure 3-2. Software Reset

3.3

Processing Required at Startup

When the GPS receiver is activated, the host CPU must perform processing using the procedure shown below.

Figure 3-3. Host CPU Processing Procedure at

µµµµPD77533 Startup

PD77533

Host CPU

PD77533 startup

Reset response

Setting character

timeout first is preferred.

Character timeout setting.

Other PD77533 settings

made as required

Connect

Connection must be

complete by this point.

Positioning possible

Confirm that the reset

response is returned

immediately after

PD77533 startup.

PD77533

Host CPU

Set values of internal

parameters except

baud rate initialized

Reset (0x04)

UPD77533 Arkusz danych(PDF) 19 Page - Renesas Technology Corp