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Figure 51. tx transparent mode (t_mode = 1) – Rainbow Electronics ATA5812 User Manual

Page 60

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60

ATA5811/ATA5812 [Preliminary]

4689B–RKE–04/04

Figure 51. TX Transparent Mode (T_MODE = 1)

Write Control Register 4
XLim:

Don't care

ASK/_NFSK:

Select modulation

Sleep0 ... Sleep4:

Don't care

XSleep:

Don't care

Write Control Register 3
FR7, FR8:

Adjust f

RF

VSOUT_EN:

Set VSOUT_EN = 1

CLK_ON:

Don't care

Write Control Register 2
FR0 ...FR6:
P_mode:

Don't care

Write Control Register 1
IR1, IR0:

Don't care

AVCC_EN:

Don't care

FS:

Select operating frequency

OPM1, OPM0:

Set OPM1 = 0 and OPM0 = 1

T_mode:

Set T_mode = 1

Write Control Register 1
OPM1, OPM0:

Set IDLE (OPM1=0, OPM0=0)

Idle Mode

Start-up
Mode (TX)

T

Startup

= 331,5

×

T

DCLK

TX Mode

Idle Mode

Apply TX Data on Pin SDI_TMDI

Adjust f

RF