ATA5811 datasheet(36/90 Pages) ATMEL

36 / 90 page

ATA5811/ATA5812 [Preliminary]

4689B–RKE–04/04

Control Register 3 (ADR 2)

Control Register 4 (ADR 3)

Table 23. Control Register 3 (Function of Bit 3 and Bit 2)

FR8

FR7

Function

FREQ3 = 0

FREQ3 = 128

FREQ3 = 256 (default)

FREQ3 = 384

Note:

Tuning of f

RF MSB’s

Table 24. Control Register 3 (Function of Bit 1)

VSOUT_EN

Function

Output voltage power supply for external devices off (pin VSOUT)

Output voltage power supply for external devices on (default)

Note:

This bit is set to 1 if the Bit-check is ok (RX_Polling, RX mode), an event at pin T1, T2,

T3, T4 or T5 occurs or the bit Power_On in the status register is 1.

Setting VSOUT_EN = 0 in AUX mode is not allowed

Table 25. Control Register 3 (Function of Bit 0)

CLK_ON

Function

Clock output off (pin CLK)

Clock output on (default)

Note:

This bit is set to 1 if the Bit-check is ok (RX_Polling, RX mode), an event at pin T1, T2,

T3, T4 or T5 occurs or the bit Power_On in the status register is 1.

Table 26. Control Register 4 (Function of Bit 7)

ASK_NFSK

Function

FSK mode (default)

ASK mode

Table 27. Control Register 4 (Function of Bit 6, Bit 5, Bit 4, Bit 3 and Bit 2)

Sleep4

Sleep3

Sleep2

Sleep1

Sleep0

Function Sleep

Sleep = Sleep × 1024 × TDCLK × XSleep)

00000

00001

.....

01010

Sleep = 10 × 1024 × TDCLK × XSleep)

(default)

.....

11111

ATA5811 Datasheet(PDF) 36 Page - ATMEL Corporation

ATA5811 Datasheet(HTML) 36 Page - ATMEL Corporation

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