EM250-RCM-R Ember, EM250-RCM-R Datasheet - Page 40
EM250-RCM-R
Manufacturer Part Number
EM250-RCM-R
Description
EM250 RCM BOARD
Manufacturer
Ember
Type
Transceiver, 802.15.4/ZigBeer
Datasheet
1.EM250-RCM-R.pdf
(126 pages)
Specifications of EM250-RCM-R
Frequency
2.4GHz
For Use With/related Products
EM250
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
636-1023
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- Download datasheet (3Mb)
EM250
120-0082-000S
5.2.1
The SC1 UART controller is enabled with
The UART mode contains the following features:
The following signals can be made available on GPIO pins:
The SC1 UART module obtains its reference baud-rate clock from a programmable baud generator. Baud rates
are set by a clock division ratio from the 24MHz clock:
rate = 24MHz / ( 2 * ( N + (0.5 * F) ) )
The integer portion, N, is written to the
SC1_UARTFRAC
mum allowable setting for
The UART module supports various frame formats depending upon the number of data bits (
the number of stop bits (
SC1_UART8BIT
ter. In addition, the UART module supports flow control by setting
SC1_UARTRTS
Baud rate (300bps up to 921kbps)
Data bits (7 or 8)
Parity bits (none, odd, or even)
Stop bits (1 or 2)
TXD
RXD
nRTS (optional)
nCTS (optional)
Baud Rate (bps)
UART Mode
115200
460800
921600
19200
38400
57600
4800
9600
300
in the
,
register. Table 19 lists the supported baud rates with associated baud rate error. The mini-
SC1_UART2STP
SC1_UARTCFG
SC1_UART2STP
SC1_UARTPER
SC1_UARTPER
,
SC1_UARTPAR
register (see Table 20).
40000
2500
1250
625
312
208
104
26
13
), and the parity (
SC1_UARTPER
SC1_MODE
Table 19. UART Baud Rates
is 8.
Page 40
, and
set to 1.
SC1_UARTODD
register and the fractional remainder, F, to the
SC1_UARTFRAC
SC1_UARTPAR
0
0
0
0
1
1
0
0
0
SC1_UARTFLOW
are defined within the
plus
SC1_UARTODD
,
SC1_UARTAUTO
Baud Rate Error (%)
SC1_UARTCFG
). The register bits
SC1_UART8BIT
- 0.08
0.16
0.16
0.16
0
0
0
0
0
, and
regis-
),
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