EM260-RCM-USART-R Ember, EM260-RCM-USART-R Datasheet - Page 37

• Manufacturer Part Number: EM260-RCM-USART-R
• Description: EM260 RCM BOARD
• Manufacturer: Ember
• Type: Transceiver, 802.15.4/ZigBeer

Specifications of EM260-RCM-USART-R

• Frequency: 2.4GHz
• For Use With/related Products: EM260
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 636-1025

7 SIF Module Programming and Debug Interface
SIF is a synchronous serial interface developed by Cambridge Consultants Ltd. It is the primary programming
and debug interface of the EM260. The SIF module allows external devices to read and write memory-mapped
registers in real-time without changing the functionality or timing of the XAP2b core. See the application note
PCB Design with an EM260 (120-5047-000) for the PCB-level design details regarding the implementation of the
SIF interface.
The EM260 pins involved in the SIF Interface:
•
•
•
•
•
In addition, the VDD_PADS and Ground Net are required for external voltage translation and buffering of the
SIF Signals.
The SIF interface provides the following:
•
•
In order to achieve the deep sleep currents specified in Table 5, a pull-down resistor must be connected to
the SIF_MOSI pin. In addition, Ember recommends a pull-up resistor to be placed on the nSIF_LOAD pin in
order to prevent noise from coupling onto the signal. Both of these recommendations are documented within
the EM260 Reference designs.
When developing application-specific manufacturing test procedures, Ember recommends the designer refer
to Manufacturing Test Guidelines (120-5016-000). This document provides more detail regarding importance
of designing the proper SIF interface as well as timing of the SIF.
nSIF_LOAD
SIF_CLK
SIF_MOSI
SIF_MISO
nRESET
PCB production test interface via Virtual UART and an InSight Adapter
Programming and debug interface during EmberZNet Application Development
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EM260
120-0260-000J