A d v a nce d I n fo rm a t i o n

Eterna Datasheet

Linear Technology / Dust Networks

21

Figure 16 UART Timing

8.10

TIMEn AC Characteristics

The following characteristics are measured with VSUPPLY = 3.6 V at 25 °C, unless otherwise specified. Note that the time

pin must remain negated until the time packet has been received.

Table 15

Timestamp Characteristics

Parameter

Conditions

Min

Typ

Max

Unit

125

µs

From rising edge of TIMEn

100

ms

Resolution

See the serial API definition for

getParameter<time>

+/- 1

µs

Network-wide time accuracy

Stable temperature environment

+/- 50

µs

Figure 17 Timestamp Timing Diagram

8.11

SLEEPn AC Characteristics

The following characteristics are measured with VSUPPLY = 3.6 V at 25 °C, unless otherwise specified. Note that the time

pin must remain negated until the time packet has been received.

Table 16

SLEEPn Characteristics

Parameter

Conditions

Min

Typ

Max

Unit

From falling edge of SLEEPn

20

ms

Maximum strobe width

2

s

Figure 18 SLEEPn Timing Diagram

8.12

RADIO_INHIBIT AC Characteristics

The following characteristics are measured with VSUPPLY = 3.6 V at 25 °C, unless otherwise specified. Note that the time

pin must remain negated until the time packet has been received.

Table 17

RADIO_INHIBIT Characteristics

Parameter

Conditions

Min

Typ

Max

Unit

From rising edge of RADIO_INHIBIT

20

ms

Maximum strobe width

2

s