CC2430
Peripherals
T4CTL (0xEB) – Timer 4 Control
:
8-bit timers, Timer 3 and Timer 4
Bit
Name
Reset
R/W
Description
7:5
000
R/W
Prescaler divider value. Generates the active clock edge used to
clock the timer from CLKCON.TICKSPDas follows:
DIV[2:0]
000
001
010
011
100
101
110
111
Tick frequency /1
Tick frequency /2
Tick frequency /4
Tick frequency /8
Tick frequency /16
Tick frequency /32
Tick frequency /64
Tick frequency /128
4
0
R/W
Start timer. Normal operation when set, suspended when cleared
Overflow interrupt mask
START
OVFIM
CLR
3
1
R/W0
2
0
R0/W1 Clear counter. Writing high resets counter to 0x00
R/W Timer 4 mode. Select the mode as follows:
1:0
00
MODE[1:0]
00
01
10
11
Free running, repeatedly count from 0x00 to 0xFF
Down, count from T4CC0 to 0x00
Modulo, repeatedly count from 0x00 to T4CC0
Up/down, repeatedly count from 0x00 to T4CC0 and down
to 0x00
CC2430 Data Sheet (rev. 2.1) SWRS036F
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