EM250-JMP-R Ember, EM250-JMP-R Datasheet - Page 106
EM250-JMP-R
Manufacturer Part Number
EM250-JMP-R
Description
KIT JUMP START FOR EM250
Manufacturer
Ember
Series
JumpStartr
Type
802.15.4/Zigbeer
Specifications of EM250-JMP-R
Frequency
2.4GHz
For Use With/related Products
EM250
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
636-1001
EM250-JMP
EM250-JSK
EM250-JMP
EM250-JSK
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EM250
6 SIF Module Programming and Debug Interface
106
120-0082-000I
SIF is a synchronous serial interface developed by Cambridge Consultants Ltd. It is the primary programming
and debug interface of the EM250. Therefore, any design implementing the EM250 should make the SIF signals
readily available. 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 EM250 Reference Design for de-
tails regarding the implementation of the SIF interface.
The SIF interface provides the following:
The pins are:
Because the SIF module directly connects to the program and data memory buses within the EM250, it has ac-
cess to the entire Flash and RAM blocks, as well as the on-chip registers.
The maximum serial shift speed for the SIF interface is 48MHz. SIF interface accesses can be initiated even
when the chip is in idle and deep sleep modes. An edge on nSIF_LOAD wakes the chip to allow SIF cycles.
IC production test (especially analog)
PCB production test
XAP2b code development
Product control and characterization
nSIF_LOAD
SIF_CLK
SIF_MOSI
SIF_MISO
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