RM024 datasheet(9/21 Pages) LSTD

9 / 21 page

RM024 – RAMP Wireless Module

Datasheet

Embedded Wireless Solutions Support Center:

http://ews-support.lairdtech.com

www.lairdtech.com/ramp

Americas: +1-800-492-2320

Europe: +44-1628-858-940

Hong Kong: +852 2923 0610

1.5 Output Characteristics

Table 4: Output characteristics

Signal Name

High Min.

High Max.

Low Min.

Low Max.

Sink Current

GO_0

2.5 v

3.3 v

0 v

0.4 v

20 mA

GO_1

2.5 v

3.3 v

0 v

0.4 v

20 mA

PWM_Output

N/A

3.3 v

0 v

N/A

4 mA

All other outputs

2.5 v

3.3 v

0 v

0.4 v

4 mA

1.6 Block Diagram

Figure 1: RM024 block diagram

1.7 Timing Specifications

Table 5: Timing specifications

Parameter

Server/Client

Min.

Typ.

Max.

Notes

Power on to CTS Low

5 ms

10 ms

N/A

The first boot after a FW

upgrade requires more than the

typical amount of time for CTS

to toggle Low.

EEPROM Read

800 µs

1 ms

2 ms

Measured from last byte of

command to first byte of

response:

870 µs for 1 byte;

1.1 ms for 80 bytes;

1.4 ms for 256 bytes

EEPROM Write

20 ms

30 ms

40 ms

Measured.

EEPROM writes cause the radio

to resynchronize.

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