SX1230
Integrated Transmitter IC
ADVANCED COMMUNICATIONS & SENSING
DATASHEET
Addr.
0x15
0x16
0x17
Register Name
Unused
Unused
PerDivider
Default
-
-
0x00
Bits
-
-
7:4
Variable Name
-
-
periodic_d(3:0)
Mode
-
-
rw
Description
-
unused
Periodic mode D divider (values from 1 to 10)
3:0
periodic_n(3:0)
rw
Periodic mode N divider (values from 0 to 15)
periodic_d(3:0) + 9
T wake = 2 T RC ( periodic_n(3:0) + 1 ) ? 2
Note: Only available in E 2 PROM Mode and
when N>0 (N = 0 = disabled)
0x18
BtnDeb
0x03
7:3
-
r
unused
2:0
debounce_time(2:0)
rw
Push button debounce tim constant:
000 = 470 us
001 = 7.5 ms
010 = 15 ms
011 = 30 ms (d)
100 = 60 ms
101 = 120 ms
110 = 240 ms
111 = 480 ms
SX1230, Revision 2 May 2009
?2008 Semtech Corp.
Page 26
www.semtech.com
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