EM250-JMP-R Ember, EM250-JMP-R Datasheet - Page 61
![KIT JUMP START FOR EM250](/photos/14/10/141062/em250-jmp_board_1_sml.jpg)
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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5.3.1
The SPI mode of the SC2 supports both master and slave modes. It has a fixed word length of 8 bits. The SC2
SPI controller is enabled with
The SC2 SPI mode has the following features:
The following signals can be made available on the GPIO pins:
5.3.1.1
The SC2 SPI Master controller is enabled with the
The SC2 SPI module obtains its reference clock from a programmable clock generator. Clock rates are set by a
clock division ratio from the 24MHz clock:
EXP is written to the
values is 0 to 15, the fastest data rate is 12Mbps and the slowest is 22.9bps.
The SC2 SPI Master supports various frame formats depending upon the clock polarity (
phase (
SC_SPIPHA
Note: Switching the SPI configuration from
Master and slave modes
Full duplex operation
Programmable master mode clock frequency (12MHz max.)
Slave mode up to 5MHz bit rate
Programmable clock polarity and clock phase
Selectable data shift direction (either LSB or MSB first)
Optional slave select input
MOSI (master out/slave in)
MISO (master in/slave out)
MSCLK (serial clock)
nSSEL (slave select—only in slave mode)
rate = 24MHz / ( 2 * (LIN + 1) * 2
SC_SPIPHA
SPI Modes
SC2_MODE=0
before the first intended byte.
SPI Master Mode
, and
SC_SPIORD
), and direction of data (
SC2_RATEEXP
and reinitializing the SPI will cause an extra byte (
are defined within the
SC2_MODE
register and LIN to the
EXP
)
set to 2.
SC_SPIORD
SC_SPIPOL=1
SC_SPIMST
SC2_SPICFG
) (see Table 24). The register bits
SC2_RATELIN
to
set in the
SC_SPIPOL=0
register.
SC2_SPICFG
0xFE
register. Since the range for both
without subsequently setting
) to be transmitted immediately
register.
SC_SPIPOL
SC_SPIPOL
120-0082-000I
EM250
), clock
,
61
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