SPIRIT1 datasheet(85/94 Pages) STMICROELECTRONICS

85 / 94 page

SPIRIT1

Doc ID 022758 Rev 3

85/94

PROTOCOL[0]

0x52

7:4

NMAX_RETX[3:0]

R/W

Max. number of re-TX (from 0

to 15).

0: re-transmission is not

performed

3NACK_TX

1: field NO_ACK=1 on

transmitted packet

2AUTO_ACK

1: automatic

acknowledgement after

correct packet reception

PERS_RX

1: persistent reception

enabled

PERS_TX

1: persistent transmission

enabled

TIMERS[5]

0x53

47:4

RX_TIMEOUT_PRES

CALER[7:0]

1R/W

Prescaler value of the RX

TIMEOUT timer. When this

timer expires the SPIRIT1

exits RX state. Can be

controlled using the quality

indicator (SQI, LQI, PQI, CS).

TIMERS[4]

0x54

39:3

RX_TIMEOUT_COUN

TER[7:0]

0R/W

Counter value of the RX

TIMEOUT timer. When this

timer expires the SPIRIT1

exits RX state. Can be

controlled using the quality

indicator (SQI, LQI, PQI, CS)

TIMERS[3]

0x55

31:2

LDC_PRESCALER[7:0

]

1R/W

Prescaler value of the LDC

wake-up timer. When this

timer expires the SPIRIT1

exits SLEEP state.

TIMERS[2]

0x56

23:1

LDC_COUNTER[7:0]

R/W

Counter value of the LDC

wake-up timer. When this

timer expires the SPIRIT1

exits SLEEP state.

TIMERS[1]

0x57

15:8

LDC_RELOAD_PRES

CALER[7:0]

1R/W

Prescaler value of the LDC

reload timer. When this timer

expires the SPIRIT1 exits

SLEEP state. The reload timer

value is used if the SYNC

word is detected (by the

receiver) or if the

LDC_RELOAD command is

used.

Table 40.

Packet/protocol configuration registers (continued)

Address

Bit

Field Name

Reset

R/W

Description

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